At the A1 level, 'uma' is introduced as one of the first words a student learns. It is primarily taught as the feminine counterpart to 'um'. Students learn to use it with basic nouns like 'uma maçã' (an apple), 'uma casa' (a house), and 'uma mulher' (a woman). The focus is on gender agreement—understanding that because 'maçã' is feminine, you must use 'uma' instead of 'um'. Students also learn 'uma' as the number 'one' when counting feminine objects. For example, if there is one chair in a room, they say 'uma cadeira'. The goal at this level is simple recognition and correct application with high-frequency feminine nouns. Exercises usually involve matching 'um' or 'uma' to a list of pictures or words. Learners are also introduced to the basic contraction 'numa' (in a) in simple sentences like 'Eu moro numa casa'. This level is all about building the habit of checking the gender of every noun before speaking.
At the A2 level, students expand their use of 'uma' to include more descriptive sentences. They begin to use 'uma' followed by a noun and an adjective, ensuring all three parts of the phrase agree in gender (e.g., 'uma cidade bonita'). They also start to use 'uma' in more varied contexts, such as describing professions ('Ela é uma professora') and telling simple stories where 'uma' introduces new characters or objects. The use of contractions like 'numa' and 'duma' becomes more frequent and natural. Students at this level should also be able to distinguish between 'uma' (indefinite) and 'a' (definite) in context, such as 'Vi uma gata' (I saw a cat) vs 'A gata é preta' (The cat is black). The focus shifts from just getting the gender right to using 'uma' to build more complex and coherent thoughts in daily interactions.
By the B1 level, learners are comfortable with the basic grammatical rules of 'uma' and start to use it in more abstract ways. They use 'uma' to introduce ideas, feelings, and concepts (e.g., 'Tive uma ideia', 'Senti uma tristeza'). They also begin to recognize and use 'uma' in common idiomatic expressions and fixed phrases like 'era uma vez' (once upon a time) or 'uma vez que' (since/given that). At this stage, students are expected to handle more irregular nouns correctly, such as 'uma mão' (a hand) or 'uma rã' (a frog), which might not follow the typical '-a' ending rule. They also start to use 'uma' to provide emphasis in speech, such as 'Ela tem uma paciência!' (She has [such] patience!). The focus at B1 is on using 'uma' naturally in both spoken and written narratives, showing a deeper understanding of how indefinite articles function in Portuguese discourse.
At the B2 level, the use of 'uma' becomes more nuanced. Students understand how 'uma' can be used to categorize or generalize in more formal contexts. They might use it in academic or professional writing to introduce a concept or a specific instance of a broader category (e.g., 'Uma análise detalhada revela...'). They are also more adept at using 'uma' in complex sentence structures involving relative clauses (e.g., 'Esta é uma situação que exige cuidado'). At this level, learners are also expected to be fully proficient with all contractions ('numa', 'duma', 'pruma') and understand when to use them versus the uncontracted forms for stylistic reasons. They can also distinguish between 'uma' and its alternatives like 'alguma' or 'certa' to convey specific shades of meaning. The focus is on precision and stylistic variety in communication.
At the C1 level, 'uma' is used with full native-like fluency, including its most subtle and idiomatic applications. Learners can use 'uma' to create specific rhetorical effects, such as using it for irony or extreme emphasis ('Ele me deu uma resposta!'). They are comfortable with 'uma' in high-level literature and formal oratory, where the choice of article can affect the tone and rhythm of the prose. They also understand the historical and etymological roots of the word, which helps them appreciate its role in the evolution of the Romance languages. At this level, the learner is not just using 'uma' correctly; they are using it strategically to influence the listener or reader's perception. They can navigate the differences between Brazilian and European Portuguese usage of 'uma' and its contractions with ease, adapting their speech to the regional context.
At the C2 level, the mastery of 'uma' is complete and instinctive. The speaker uses 'uma' with the same ease as a native, including in the most complex philosophical or technical discussions. They can play with the word in poetry or creative writing, using its sound and grammatical properties to create meaning. They are aware of the most obscure regional variations and archaic uses of 'uma' found in classical Portuguese literature. For a C2 learner, 'uma' is no longer a 'rule' to be followed but a versatile tool in a vast linguistic toolkit. They can analyze the use of 'uma' in others' speech to detect subtle social cues or regional origins. At this level, the word 'uma' is fully integrated into the speaker's identity in the Portuguese language, used effortlessly to navigate any communicative situation, no matter how complex or nuanced.

Uma 30秒了解

  • The word 'uma' is the feminine singular indefinite article in Portuguese, used to mean 'a' or 'an' before feminine nouns like 'casa' or 'mulher'.
  • It also serves as the feminine numeral for 'one', used when counting feminine objects (e.g., 'uma maçã' means 'one apple').
  • It must always agree with the gender of the noun it precedes, which is a fundamental rule for all Portuguese learners to master.
  • Common contractions include 'numa' (em + uma) and 'duma' (de + uma), which are frequently used in both spoken and written Portuguese.

The word uma is one of the most fundamental building blocks of the Portuguese language. At its core, it serves two primary functions: it is the feminine singular indefinite article (equivalent to 'a' or 'an' in English) and the feminine singular numeral for the number 'one'. Because Portuguese is a gendered language, every noun is either masculine or feminine. When you are referring to a feminine noun in a general or non-specific way, you must use uma. For example, while 'um livro' (a book) is masculine, 'uma caneta' (a pen) is feminine. This distinction is crucial for English speakers to master early on, as English does not assign gender to inanimate objects. Understanding uma requires a shift in how you perceive objects; you are not just saying 'a thing', you are acknowledging the inherent feminine grammatical nature of that thing.

Indefinite Article
Used to introduce a feminine noun that has not been previously mentioned or is not specifically identified. It is the counterpart to the English 'a' or 'an'.
Numeral One
Used when counting feminine items. If you are counting apples (maçãs), you would say 'uma, duas, três' instead of 'um, dois, três'.

Eu vi uma estrela no céu ontem à noite.

Translation: I saw a star in the sky last night.

In daily conversation, uma is ubiquitous. You will hear it when someone is ordering food ('uma cerveja, por favor'), describing a person ('ela é uma médica excelente'), or quantifying time ('daqui a uma hora'). The word is short, but its impact on the sentence structure is significant. It sets the stage for the noun and any following adjectives, which must also agree in gender. If you say uma, the listener immediately expects a feminine noun to follow. This predictive nature of the language helps native speakers process information quickly. For a learner, mastering uma is the first step toward achieving grammatical harmony in Portuguese sentences. It is not just about memorizing a word; it is about training your brain to categorize the world into masculine and feminine categories, a task that becomes second nature with practice.

Preciso de uma ajuda com este projeto difícil.

Beyond its literal meanings, uma can also imply a sense of 'about' or 'approximately' when used in certain contexts, though this is more common with the plural 'umas'. However, in the singular, it can emphasize a singular, unique instance of something. For example, 'Ela tem uma voz!' implies she has a remarkable or unique voice, not just 'a' voice. This idiomatic usage shows the versatility of even the simplest words. Furthermore, in European Portuguese versus Brazilian Portuguese, the pronunciation might vary slightly in its nasal quality, but the grammatical function remains identical across the Lusophone world. Whether you are in Lisbon, Luanda, or Rio de Janeiro, uma remains the essential feminine gateway to the language.

Emphasis
Sometimes used to highlight the quality of a noun, suggesting it is a particularly good or bad example of its kind.

Comi uma maçã vermelha e muito doce.

Finally, it is important to note that uma can combine with prepositions to form contractions. While 'em + uma' becomes 'numa' and 'de + uma' becomes 'duma', these contractions are standard in speech and informal writing, though 'duma' is less common in formal Brazilian Portuguese than 'de uma'. Mastering these contractions is the next level of fluency after understanding the base word. In summary, uma is more than just a translation of 'a'; it is a marker of gender, a tool for counting, and a foundational element of Portuguese syntax that requires careful attention to the nouns it accompanies.

Using uma correctly in a sentence is primarily an exercise in noun recognition. Since uma is strictly feminine, your first task is to identify the gender of the noun you wish to modify. Most nouns ending in '-a' are feminine, making them natural partners for uma. For instance, 'uma mesa' (a table), 'uma cadeira' (a chair), and 'uma porta' (a door). However, be careful with exceptions like 'o dia' (the day) which is masculine, or 'o mapa' (the map). The rule of thumb is to check the dictionary if you are unsure, but the '-a' ending is a reliable guide for beginners. When you place uma before a noun, you are signaling to your listener that you are talking about one non-specific item.

Basic Structure
[Indefinite Article] + [Feminine Noun]. Example: Uma flor (A flower).
With Adjectives
[Indefinite Article] + [Feminine Noun] + [Feminine Adjective]. Example: Uma casa branca (A white house).

Eu comprei uma bicicleta nova para ir ao trabalho.

When uma functions as a number, it follows the same gender agreement rules. If someone asks 'Quantas laranjas você quer?' (How many oranges do you want?), you would answer 'Uma' if you only want one. If you were asking for lemons (limões, masculine), you would say 'Um'. This distinction is vital for clear communication. In sentences involving professions, uma is used to say someone is 'a' certain professional, provided the person is female. 'Ela é uma advogada' (She is a lawyer). Note that in Portuguese, sometimes the article is omitted with professions ('Ela é advogada'), but adding uma often adds a layer of description or emphasis, especially if an adjective is included: 'Ela é uma advogada brilhante'.

Existe uma chance de chover hoje à tarde.

In more complex sentence structures, uma can appear in prepositional phrases. As mentioned before, 'em + uma' becomes 'numa'. For example, 'Eu moro numa cidade pequena' (I live in a small city). This contraction is so common that using 'em uma' can sometimes sound slightly unnatural or overly formal in spoken Portuguese. Similarly, 'de + uma' becomes 'duma', as in 'Gosto duma boa música' (I like [of] a good music), though 'de uma' is frequently used in Brazil. Learning these contractions is essential for understanding native speakers who speak at a natural pace. They will rarely pronounce the two words separately; they will flow together as one sound.

Contractions
Numa (em + uma), Duma (de + uma), Pruma (para + uma - informal).

Ela mora numa rua muito silenciosa e bonita.

To summarize, using uma involves a three-step mental check: 1. Is the noun singular? 2. Is the noun feminine? 3. Am I referring to it in a general sense or as the number one? If the answer to all three is yes, uma is the correct word. Practice by looking around your room and naming objects you see using 'uma' or 'um'. This simple exercise will help you internalize the gender of common objects and make the use of uma second nature in your Portuguese journey.

You will hear uma everywhere in the Portuguese-speaking world, from the bustling streets of São Paulo to the quiet cafes of Porto. It is a 'high-frequency' word, meaning it appears in almost every conversation. In a marketplace (feira), you'll hear customers asking for 'uma dúzia de ovos' (a dozen eggs) or 'uma melancia' (a watermelon). The word is often spoken quickly, sometimes almost blending into the following noun, especially if that noun also starts with a vowel. In Brazil, the 'u' in uma is clearly pronounced, whereas in some European Portuguese dialects, it can be slightly more closed, but it remains easily recognizable.

In Restaurants
'Uma mesa para dois, por favor' (A table for two, please). 'Uma água sem gás' (A still water).
In Daily Chores
'Vou fazer uma faxina' (I'm going to do a cleaning/deep clean). 'Preciso de uma carona' (I need a ride).

Garçom, pode me trazer uma conta, por favor?

In media, uma is a staple of news reporting and storytelling. News anchors might say, 'Houve uma explosão...' (There was an explosion...) or 'Uma nova lei foi aprovada' (A new law was approved). In literature and music, uma often sets the scene. Think of the famous song lyrics or book titles that start with an indefinite article. It provides a sense of narrative beginning. When listening to Portuguese music, pay attention to how singers elongate the 'u' or the 'a' in uma for emotional effect. It’s a small word that carries a lot of rhythmic weight in the melodic structure of the language.

Era uma vez um rei que vivia num castelo distante.

Socially, uma is used in many common expressions. If someone tells a joke, they might start with 'Vou contar uma...' (I'm going to tell one [joke/story]). If someone is surprised, they might say 'Essa é uma boa!' (That's a good one!). In these cases, the noun (piada, notícia, etc.) is often implied because the gender of uma already provides enough context. This shows how deeply embedded the concept of grammatical gender is in the minds of speakers; they don't even need the noun to know what kind of thing is being discussed. Whether you're eavesdropping on a conversation in a subway or watching a Brazilian telenovela, uma will be one of the most frequent sounds hitting your ears.

In Storytelling
'Era uma vez' is the standard opening for fairy tales, meaning 'Once upon a time' (literally: 'It was one time').

Você tem uma caneta que eu possa emprestar?

In conclusion, uma is not just a word you see in textbooks; it is a living, breathing part of the Portuguese auditory landscape. By paying attention to how and where it is used, you can gain insights into the rhythm of the language and the gender of the world around you. It is the sound of an indefinite possibility, a single unit, and a feminine presence all rolled into three letters.

The most frequent mistake English speakers make with uma is failing to match it with the correct noun gender. Since English uses 'a' or 'an' for everything, learners often default to 'um' for all nouns or use uma incorrectly with masculine nouns. For example, saying 'uma carro' instead of 'um carro' (a car) is a classic error. Because 'carro' ends in 'o', it is masculine and requires 'um'. Conversely, saying 'um casa' instead of 'uma casa' is equally incorrect. This mistake is understandable but can be jarring to native speakers as it disrupts the grammatical flow of the sentence. To avoid this, always memorize the gender of a noun as if it were part of the word itself.

Gender Mismatch
Using 'uma' with masculine nouns (e.g., *uma livro) or 'um' with feminine nouns (e.g., *um maçã).
Confusion with 'A'
Using 'uma' (indefinite) when 'a' (definite) is required. 'Uma mulher' is 'a woman', but 'A mulher' is 'the woman'.

Incorrect: Eu tenho uma problema.

Correct: Eu tenho um problema.

Note: Even though 'problema' ends in 'a', it is a masculine noun of Greek origin.

Another common pitfall is the confusion between uma and the number 'um' when counting. While in English 'one' is always 'one', in Portuguese, if you are counting feminine objects, you must use uma. If you are counting in the abstract (1, 2, 3...), you use the masculine 'um, dois, três'. However, if you are counting 'one apple, two apples', it becomes 'uma maçã, duas maçãs'. Learners often forget to switch to the feminine form of the numbers 'one' and 'two' when quantifying feminine nouns. This is a subtle point that separates intermediate learners from beginners.

Incorrect: Uma dia eu vou viajar.

Correct: Um dia eu vou viajar.

Phonetically, some learners struggle with the nasalization of the word. It is not 'oo-mah' with a hard 'm', but rather a nasalized 'u' followed by a soft 'a'. If you over-pronounce the 'm', it can sound like you are saying 'uma' in a very foreign accent. The goal is to let the sound resonate slightly in your nose. Also, be careful with the plural 'umas'. While uma means 'a' or 'one', 'umas' often means 'some' or 'a few'. Mixing these up can change the quantity of what you are talking about. For example, 'uma hora' is 'one hour', but 'umas horas' is 'a few hours'.

Plural Confusion
Using 'uma' when you mean 'some' (umas). Example: 'Comi uma bolacha' (I ate one cookie) vs 'Comi umas bolachas' (I ate some cookies).

Ela comprou uma mesa, não umas mesas.

Lastly, don't forget about contractions! Beginners often say 'em uma' or 'de uma' because it feels more like English ('in a', 'of a'). While not technically 'wrong' in all contexts, failing to use 'numa' or 'duma' in speech can make you sound very robotic. Embracing these contractions will help you sound more like a native speaker and improve your listening comprehension, as you'll be able to recognize the contracted forms in fast speech. In summary: watch your genders, remember the Greek exceptions, use the feminine for counting feminine items, and don't fear the contractions.

While uma is the most common feminine indefinite article, there are several other words that can take its place depending on the nuance you want to convey. Understanding these alternatives will help you express yourself more precisely. The most direct alternative is the definite article 'a' (the). While uma refers to any member of a group, 'a' refers to a specific, known member. For example, 'uma mulher' is 'a woman' (any woman), while 'a mulher' is 'the woman' (that specific one we were talking about). Choosing between these two is the first step in mastering Portuguese articles.

Uma vs. A
'Uma' is indefinite (any one), 'A' is definite (a specific one). Example: 'Quero uma maçã' (I want an apple) vs 'Quero a maçã' (I want the apple).
Uma vs. Alguma
'Alguma' means 'some' or 'any'. It is often used in questions or negative sentences. Example: 'Você tem alguma dúvida?' (Do you have any doubt?).

Eu tenho uma ideia, mas não é a ideia principal.

Another similar word is 'alguma' (some/any). While uma is often used to mean 'one' or 'a', 'alguma' is used when the existence or identity of the thing is more uncertain. For example, 'uma coisa' is 'a thing', but 'alguma coisa' is 'something'. In negative sentences, 'alguma' can also mean 'any', as in 'Não tenho dúvida alguma' (I don't have any doubt at all). Then there is 'única' (only/unique). If you want to emphasize that there is only one of something, you would use 'a única' or 'uma única'. For example, 'Ela é a única filha' (She is the only daughter). This adds a layer of exclusivity that uma alone does not provide.

Você viu alguma chave por aqui? Perdi uma chave importante.

In the context of demonstratives, you might compare uma with 'esta' (this) or 'aquela' (that). 'Uma cadeira' is 'a chair', but 'esta cadeira' is 'this chair' (the one right here). Using demonstratives is more specific than using an indefinite article. Finally, consider the word 'certa' (a certain). Sometimes uma can be replaced by 'uma certa' to add a bit of mystery or specificity without naming the object. 'Uma certa pessoa me disse...' (A certain person told me...). This is a common rhetorical device in storytelling and gossip alike.

Uma vs. Esta
'Uma' is non-specific, 'Esta' points to something specific near the speaker. Example: 'Comprei uma blusa' vs 'Comprei esta blusa'.

Não é apenas uma música, é aquela música que amamos!

In summary, while uma is your workhorse for feminine singular nouns, don't forget its cousins. 'A' for specificity, 'alguma' for uncertainty, 'esta' for proximity, and 'única' for exclusivity. Each of these words interacts with feminine nouns in a similar way but changes the meaning of your sentence in subtle and important ways. Mastering these distinctions will take your Portuguese from 'functional' to 'fluent'.

How Formal Is It?

趣味小知识

Portuguese is one of the few Romance languages that kept a very strong nasal quality in its version of the word 'one', unlike Spanish 'una' or Italian 'una' where the 'n' is clearly pronounced.

发音指南

UK /ˈu.mɐ/
US /ˈu.mə/
The stress is on the first syllable: 'U-ma'.
押韵词
Bruma Escuma Nenhuma Alguma Pluma Suma Acuma Resuma
常见错误
  • Pronouncing the 'm' too heavily, like in the English word 'room'.
  • Pronouncing the 'a' too broadly, like 'ah' in 'father'.
  • Failing to nasalize the 'u' slightly in some dialects.
  • Confusing the pronunciation with the Spanish 'una'.
  • Making the 'u' sound too much like 'you'.

难度评级

阅读 1/5

Very easy to recognize in text as it is a short, frequent word.

写作 2/5

Requires knowledge of noun gender to use correctly.

口语 2/5

Easy to pronounce, but requires quick mental gender-checking.

听力 2/5

Can be hard to hear when contracted or spoken quickly.

接下来学什么

前置知识

Eu (I) É (is) Tem (has) A (the - fem) O (the - masc)

接下来学习

Um (masculine a/one) Duas (two - fem) Umas (some - fem) Esta (this - fem) Aquela (that - fem)

高级

Alguma (some/any) Nenhuma (none) Qualquer (any/whichever) Própria (own) Certa (certain)

需要掌握的语法

Gender Agreement

Uma casa (feminine) vs Um carro (masculine).

Number Agreement

Uma maçã (singular) vs Duas maçãs (plural).

Contractions with Prepositions

Em + uma = numa; De + uma = duma.

Indefinite vs Definite

Uma mulher (any woman) vs A mulher (the specific woman).

Numeral Usage

Counting feminine objects: uma, duas, três...

按水平分级的例句

1

Eu tenho uma maçã.

I have an apple.

Maçã is feminine, so we use 'uma'.

2

Ela é uma menina.

She is a girl.

Menina is feminine.

3

Uma mesa, por favor.

A table, please.

Used when ordering or requesting.

4

Eu vejo uma casa.

I see a house.

Casa is a common feminine noun.

5

Você tem uma caneta?

Do you have a pen?

Caneta is feminine.

6

Uma, duas, três laranjas.

One, two, three oranges.

When counting feminine nouns, use 'uma' and 'duas'.

7

Ela mora numa cidade.

She lives in a city.

Numa is the contraction of em + uma.

8

Comi uma banana.

I ate a banana.

Banana is feminine.

1

Ela é uma professora muito boa.

She is a very good teacher.

The adjective 'boa' also agrees with the feminine noun.

2

Vi uma gata preta na rua.

I saw a black cat in the street.

Gata is the feminine form of cat.

3

Preciso de uma ajuda com a lição.

I need some help with the lesson.

Ajuda is feminine.

4

Comprei uma blusa azul ontem.

I bought a blue blouse yesterday.

Blusa is feminine.

5

Ela tem uma irmã mais velha.

She has an older sister.

Irmã is feminine.

6

Moro numa rua muito barulhenta.

I live on a very noisy street.

Rua is feminine; numa = em + uma.

7

Quero uma xícara de café.

I want a cup of coffee.

Xícara is feminine.

8

Ela é uma pessoa muito gentil.

She is a very kind person.

Pessoa is always feminine, regardless of the person's gender.

1

Tive uma ideia excelente para o projeto.

I had an excellent idea for the project.

Ideia is an abstract feminine noun.

2

Era uma vez um reino muito distante.

Once upon a time there was a very distant kingdom.

Standard opening for stories.

3

Senti uma alegria enorme ao ver você.

I felt an enormous joy upon seeing you.

Alegria is feminine.

4

Ela tem uma voz maravilhosa.

She has a wonderful voice.

Voz is feminine.

5

Houve uma mudança nos planos.

There was a change in the plans.

Mudança is feminine.

6

Ela é uma das melhores alunas.

She is one of the best students.

Uma das = one of the (feminine).

7

Faz uma hora que estou esperando.

I've been waiting for an hour.

Hora is feminine.

8

Ela me contou uma piada engraçada.

She told me a funny joke.

Piada is feminine.

1

Esta é uma situação que requer paciência.

This is a situation that requires patience.

Situação is feminine.

2

Uma análise profunda foi realizada.

A deep analysis was performed.

Análise is feminine.

3

Ela tomou uma decisão difícil ontem.

She made a difficult decision yesterday.

Decisão is feminine.

4

Existe uma possibilidade de sucesso.

There is a possibility of success.

Possibilidade is feminine.

5

Ela é uma mulher de muita coragem.

She is a woman of much courage.

Using 'uma' to introduce a descriptive phrase.

6

Foi uma experiência inesquecível.

It was an unforgettable experience.

Experiência is feminine.

7

Ela deu uma palestra sobre economia.

She gave a lecture on economics.

Palestra is feminine.

8

Uma nova lei entrará em vigor amanhã.

A new law will come into effect tomorrow.

Lei is feminine.

1

Houve uma certa hesitação na sua voz.

There was a certain hesitation in her voice.

Using 'uma certa' for nuance.

2

Ela tem uma maneira única de ver o mundo.

She has a unique way of seeing the world.

Maneira is feminine.

3

Foi uma resposta um tanto ambígua.

It was a somewhat ambiguous answer.

Resposta is feminine.

4

Uma vez que terminarmos, podemos sair.

Once we finish, we can leave.

Uma vez que = since/once (conjunction).

5

Ela é uma autoridade no assunto.

She is an authority on the subject.

Autoridade is feminine.

6

Senti uma pontada de inveja, confesso.

I felt a pang of envy, I confess.

Pontada is feminine.

7

Ela possui uma inteligência fora do comum.

She possesses an extraordinary intelligence.

Inteligência is feminine.

8

Foi uma jornada longa e cansativa.

It was a long and tiring journey.

Jornada is feminine.

1

A obra é uma ode à beleza da natureza.

The work is an ode to the beauty of nature.

Ode is feminine.

2

Ela é uma figura central na nossa história.

She is a central figure in our history.

Figura is feminine.

3

Uma tal atitude não será tolerada.

Such an attitude will not be tolerated.

Uma tal = such a (feminine).

4

Ela tem uma verve poética invejável.

She has an enviable poetic verve.

Verve is feminine.

5

Foi uma vitória de Pirro, no final das contas.

It was a Pyrrhic victory, in the end.

Vitória is feminine.

6

Uma nuvem de incerteza pairava sobre nós.

A cloud of uncertainty hung over us.

Nuvem is feminine.

7

Ela é uma alma caridosa e gentil.

She is a charitable and kind soul.

Alma is feminine.

8

Uma análise semiótica do texto é necessária.

A semiotic analysis of the text is necessary.

Análise is feminine.

常见搭配

Uma vez
Uma hora
Uma pessoa
Uma coisa
Uma ideia
Uma parte
Uma ajuda
Uma chance
Uma casa
Uma mulher

常用短语

Era uma vez

— The standard opening for fairy tales and stories.

Era uma vez uma princesa...

Mais uma vez

— Used to say 'one more time' or 'again'.

Tente mais uma vez.

De uma vez por todas

— Used to mean 'once and for all'.

Vamos resolver isso de uma vez por todas.

Uma vez que

— A conjunction meaning 'since' or 'given that'.

Uma vez que você está aqui, ajude-me.

Dá uma olhada

— An informal way to say 'take a look'.

Dá uma olhada neste documento.

Uma por uma

— Used to mean 'one by one' (feminine).

Lave as frutas uma por uma.

Cada uma!

— An exclamation used when someone says something unbelievable or silly.

Ele disse isso? Cada uma!

Uma mão lava a outra

— A proverb meaning 'you scratch my back, I'll scratch yours'.

Eu te ajudo e você me ajuda; uma mão lava a outra.

Uma ova!

— A very informal way to say 'No way!' or 'Nonsense!'.

Ele é inteligente? Uma ova!

Numa boa

— A Brazilian slang meaning 'cool', 'relaxed', or 'no problem'.

Fizemos tudo numa boa.

容易混淆的词

Uma vs Um

Um is masculine, Uma is feminine. This is the most common confusion.

Uma vs Umas

Uma is singular (one/a), Umas is plural (some).

Uma vs A

A is definite (the), Uma is indefinite (a/an).

习语与表达

"Uma andorinha só não faz verão"

— One person alone cannot achieve a great task; teamwork is needed.

Precisamos de ajuda, pois uma andorinha só não faz verão.

Informal/Proverbial
"Dar uma de..."

— To act like or pretend to be someone/something else.

Ele deu uma de esperto.

Informal
"Uma faca de dois gumes"

— A double-edged sword; something that has both good and bad consequences.

Essa tecnologia é uma faca de dois gumes.

Neutral
"Fazer uma tempestade em copo d'água"

— To make a mountain out of a molehill; to overreact.

Não faça uma tempestade em copo d'água por isso.

Informal
"Uma agulha num palheiro"

— A needle in a haystack; something very difficult to find.

Achar a chave foi como procurar uma agulha num palheiro.

Neutral
"Ser uma mão na roda"

— To be very helpful or useful.

Este aplicativo é uma mão na roda.

Informal
"Uma vez na vida, outra na morte"

— Once in a blue moon; very rarely.

Ele viaja uma vez na vida, outra na morte.

Informal
"Pagar uma nota"

— To pay a lot of money for something.

Eu paguei uma nota por este carro.

Slang
"Uma imagem vale mais que mil palavras"

— A picture is worth a thousand words.

Mostre a foto, pois uma imagem vale mais que mil palavras.

Neutral
"Dar uma mãozinha"

— To give a little help.

Pode me dar uma mãozinha aqui?

Informal

容易混淆

Uma vs Alguma

Both can mean 'a' or 'some'.

Uma is for a single, non-specific item. Alguma is for an uncertain or 'any' item.

Comprei uma revista (I bought a magazine) vs Você tem alguma revista? (Do you have any magazine?)

Uma vs Nenhuma

Learners might mix up 'one' and 'none'.

Uma is 'one', Nenhuma is 'not one' or 'none'.

Tenho uma ideia vs Não tenho nenhuma ideia.

Uma vs Única

Both relate to the number one.

Uma is 'a/one', Única is 'the only' or 'unique'.

Ela é uma filha vs Ela é a única filha.

Uma vs Certa

Used to introduce nouns.

Uma is general, Certa implies a specific one that isn't named.

Uma mulher ligou vs Uma certa mulher ligou.

Uma vs Esta

Both are determiners for feminine nouns.

Uma is 'a', Esta is 'this' (specific and near).

Quero uma caneta vs Quero esta caneta.

句型

A1

Eu tenho uma [Noun].

Eu tenho uma bola.

A1

Ela é uma [Noun].

Ela é uma médica.

A2

Eu moro numa [Noun].

Eu moro numa vila.

A2

Vi uma [Noun] [Adjective].

Vi uma flor amarela.

B1

Tive uma [Abstract Noun].

Tive uma dúvida.

B1

Era uma vez uma [Noun].

Era uma vez uma rainha.

B2

Esta é uma situação que [Verb].

Esta é uma situação que preocupa.

C1

Houve uma certa [Noun].

Houve uma certa confusão.

词族

名词

Unidade (unit)
União (union)

动词

Unir (to unite)
Unificar (to unify)

形容词

Único/Única (unique/only)
Unitário (unitary)

相关

Um (masculine form)
Umas (plural feminine form)
Uns (plural masculine form)
Primeira (first - feminine)
Sozinha (alone - feminine)

如何使用

frequency

Extremely High (Top 20 most used words).

常见错误
  • Using 'uma' with masculine nouns. Use 'um' for masculine nouns.

    Learners often say 'uma carro' because they forget 'carro' is masculine. It must be 'um carro'.

  • Saying 'um' when counting feminine objects. Use 'uma' for feminine objects.

    If you are counting apples, say 'uma maçã', not 'um maçã'. The number must agree with the noun.

  • Avoiding contractions like 'numa'. Use 'numa' (em + uma).

    Saying 'em uma casa' is grammatically correct but sounds unnatural in spoken Portuguese. 'Numa casa' is much better.

  • Forgetting adjective agreement. Match adjectives to the feminine 'uma'.

    If you say 'uma casa', the adjective must be 'bonita', not 'bonito'. Everything in the phrase must be feminine.

  • Using 'uma' for 'the'. Use 'a' for 'the' (feminine).

    'Uma' means 'a/an'. If you want to say 'the house', use 'a casa', not 'uma casa'.

小贴士

Gender Match

Always pair 'uma' with feminine nouns. If the noun ends in -a, it's a 90% chance it's feminine. Memorize the exceptions like 'o dia' and 'o mapa' early.

Nasal Quality

The 'u' in 'uma' is slightly nasal. Don't pronounce it like a clean English 'oo'. Let a little air escape through your nose for a more authentic sound.

Use Contractions

To sound more like a native, use 'numa' instead of 'em uma'. It makes your speech flow better and is how almost everyone speaks in real life.

Learn in Pairs

When you learn a new feminine noun, always say 'uma' before it. Instead of just 'mesa', say 'uma mesa'. This links the gender to the word in your brain.

Listen for the 'A'

In fast speech, the 'u' can be very short. If you hear a soft 'mah' sound before a noun, it's almost certainly 'uma'.

Adjective Agreement

If you start a phrase with 'uma', remember that every adjective that follows must also be feminine. 'Uma casa nova' (not 'novo').

Counting Items

When counting feminine things, the sequence is 'uma, duas, três...'. Don't use 'um' or 'dois' for feminine objects!

Storytelling

Memorize 'Era uma vez'. It's the perfect way to start any story or practice your past tense verbs in a narrative context.

Politeness

Using 'uma' with a diminutive can make a request sound softer. 'Pode me dar uma ajudinha?' (Can you give me a little help?) is very common and polite.

Greek Nouns

Be careful with words like 'problema' or 'sistema'. They end in -a but are masculine. You must say 'um problema', not 'uma problema'.

记住它

记忆技巧

Think of 'UMA' as 'Ultra-Modern Apple'. Since 'maçã' (apple) is feminine, you need 'uma' to describe it. U-M-A for a feminine A-P-P-L-E.

视觉联想

Imagine a single, elegant lady (feminine) holding a single rose. The lady represents the feminine gender, and the rose is the single object 'uma' refers to.

Word Web

Uma casa Uma mulher Uma ideia Uma caneta Uma mesa Uma flor Uma vida Uma hora

挑战

Look around your room right now. Find five feminine objects and name them using 'uma'. For example: 'uma cadeira', 'uma janela'.

词源

The word 'uma' comes from the Latin 'unam', which is the accusative feminine singular form of 'unus' (one). Over centuries, the final 'm' was lost, and the 'n' nasalized the preceding vowel before eventually disappearing in Portuguese, leaving the nasalized 'u' sound.

原始含义: The original meaning in Latin was simply the number 'one' in the feminine gender.

Romance language family, derived from Vulgar Latin.

文化背景

There are no specific sensitivities for the word 'uma', as it is a basic grammatical article. However, always ensure gender agreement when referring to people to be respectful.

English speakers often struggle because English lacks grammatical gender. They must learn to see 'uma' not just as 'a', but as a 'feminine a'.

The song 'Uma Brasileira' by Os Paralamas do Sucesso. The phrase 'Era uma vez' used in countless Portuguese folk tales. The movie 'Uma Linda Mulher' (the Portuguese title for Pretty Woman).

在生活中练习

真实语境

Shopping

  • Quanto custa uma destas?
  • Quero uma sacola, por favor.
  • Você tem uma numeração maior?
  • Vou levar uma blusa.

Restaurant

  • Uma mesa para quatro.
  • Uma cerveja bem gelada.
  • Pode me trazer uma faca?
  • Quero uma sobremesa.

Asking for Help

  • Pode me dar uma informação?
  • Preciso de uma ajuda rápida.
  • Você tem uma caneta?
  • Pode me fazer uma gentileza?

Time

  • Falta uma hora.
  • Uma vez por semana.
  • Espere uma segunda.
  • Daqui a uma quinzena.

Introductions

  • Ela é uma amiga minha.
  • Esta é uma ideia nova.
  • Sou uma pessoa calma.
  • Ela é uma ótima profissional.

对话开场白

"Você tem uma recomendação de livro?"

"Qual foi uma viagem inesquecível para você?"

"Você prefere uma cidade grande ou uma pequena?"

"Você tem uma cor favorita?"

"Pode me contar uma história engraçada?"

日记主题

Escreva sobre uma pessoa que você admira muito.

Descreva uma memória de infância feliz.

O que você faria se tivesse uma hora extra hoje?

Escreva sobre uma meta que você quer alcançar este ano.

Descreva uma casa dos seus sonhos.

常见问题

10 个问题

You use 'uma' when the noun that follows is feminine. In Portuguese, nouns ending in -a are usually feminine (like 'casa', 'mesa'). If the noun is masculine (like 'carro', 'livro'), you use 'um'. Always check the gender of the noun first.

Not always. It can mean 'one' (the number) or 'a/an' (the article). For example, 'uma maçã' can mean 'one apple' or 'an apple' depending on the context. If you are counting, it means 'one'. If you are just mentioning an object, it means 'a'.

These are contractions. 'Numa' is the combination of 'em' (in/on) and 'uma'. 'Duma' is the combination of 'de' (of/from) and 'uma'. They are very common in spoken Portuguese. For example, 'Moro numa casa' means 'I live in a house'.

No, 'uma' is strictly singular. If you want to talk about multiple feminine items in an indefinite way, you must use 'umas', which means 'some'. For example, 'uma flor' (a flower) becomes 'umas flores' (some flowers).

There are exceptions to the gender rules. 'Mão' (hand) is a feminine noun despite ending in 'o'. Therefore, you must say 'uma mão'. These exceptions are few but important to memorize as you learn the language.

The grammatical rules for 'uma' are the same in both countries. However, the pronunciation might differ slightly, and the frequency of certain contractions like 'duma' can vary. In Brazil, 'de uma' is often preferred over 'duma' in formal writing.

You can use 'uma tal' or just 'uma' with emphasis. For example, 'uma tal confusão' means 'such a mess'. Often, adding an adjective like 'tão' helps: 'uma casa tão bonita' (such a beautiful house).

Yes, if the person is female. 'Ela é uma médica'. However, in Portuguese, it's also very common to omit the article: 'Ela é médica'. Adding 'uma' often makes it sound more descriptive or specific.

Yes, for 'one o'clock' (uma hora) or 'one hour' (uma hora). Since 'hora' is feminine, you always use 'uma'. For example, 'É uma hora' (It is one o'clock) or 'Esperei uma hora' (I waited for an hour).

'Uma' is the standard 'a/an'. 'Alguma' means 'some' or 'any' and is used when there is more doubt or when asking a question. 'Você tem uma caneta?' (Do you have a pen?) vs 'Você tem alguma caneta?' (Do you have any pen at all?).

自我测试 180 个问题

writing

Traduza para o português: 'A girl'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A house'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'One apple'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'In a city'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A pen'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A woman'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'One hour'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A table'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A flower'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A window'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A door'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A blue blouse'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A good idea'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A kind person'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A new bike'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'Once upon a time'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'One more time'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A big city'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A difficult decision'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
writing

Traduza para o português: 'A long night'.

Well written! Good try! Check the sample answer below.

正确! 不太对。 正确答案:
speaking

Pronuncie a palavra: 'Uma'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma casa'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma maçã'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Numa cidade'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma mulher'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma hora'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma ideia'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma caneta'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma flor'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma mesa'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma janela'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma porta'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma blusa'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma bolsa'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma pessoa'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma criança'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma estrela'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma lua'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma nuvem'.

Read this aloud:

正确! 不太对。 正确答案:
speaking

Diga: 'Uma chuva'.

Read this aloud:

正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Eu tenho uma caneta'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Ela mora numa casa'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Quero uma maçã'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'É uma hora'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Vi uma gata'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Tive uma ideia'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Ela é uma médica'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Comprei uma mesa'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Preciso de uma ajuda'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Era uma vez'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Mais uma vez'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Uma por uma'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Vi uma flor'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Ela tem uma irmã'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:
listening

Escreva o que você ouve: 'Moro numa vila'.

正确! 不太对。 正确答案:
正确! 不太对。 正确答案:

/ 180 correct

Perfect score!

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