Portuguese Contractions: Combining Prepositions + Articles (do, no, ao, pelo)
Grammar Rule in 30 Seconds
In Portuguese, when a preposition meets an article, they merge into one word to sound smoother.
- de + o = do (of the, masculine)
- em + a = na (in the, feminine)
- a + o = ao (to the, masculine)
نظرة عامة
Common Contractions
| Preposition | Article | Contraction |
|---|---|---|
|
de
|
o
|
do
|
|
de
|
a
|
da
|
|
em
|
o
|
no
|
|
em
|
a
|
na
|
|
a
|
o
|
ao
|
|
a
|
a
|
à
|
|
por
|
o
|
pelo
|
|
por
|
a
|
pela
|
Plural Contractions
| Preposition | Article | Contraction |
|---|---|---|
|
de
|
os
|
dos
|
|
de
|
as
|
das
|
|
em
|
os
|
nos
|
|
em
|
as
|
nas
|
Meanings
Contractions occur when a preposition (like de, em, a, por) fuses with a definite article (o, a, os, as) to create a single, efficient word.
Possession/Origin
Using 'do/da' to show belonging or source.
“O carro do João.”
“A casa da Maria.”
Location
Using 'no/na' to indicate being inside or at a place.
“Estou no escritório.”
“Ela está na escola.”
Direction
Using 'ao/à' to indicate movement toward a destination.
“Vou ao cinema.”
“Ele foi à praia.”
Reference Table
| Form | Structure | Example |
|---|---|---|
|
Affirmative
|
de + o
|
O carro do pai.
|
|
Affirmative
|
em + a
|
Estou na sala.
|
|
Negative
|
de + o
|
Não é do João.
|
|
Negative
|
em + a
|
Não estou na escola.
|
|
Question
|
de + o
|
É do seu irmão?
|
|
Question
|
em + a
|
Você está na festa?
|
|
Short Answer
|
em + o
|
Sim, estou no trabalho.
|
|
Variation
|
a + a
|
Vou à praia.
|
طيف الرسمية
Estou na casa. (Daily life)
Estou na casa. (Daily life)
Tô na casa. (Daily life)
Tô na casa. (Daily life)
The Contraction Fusion
De
- do of the (masc)
- da of the (fem)
Em
- no in the (masc)
- na in the (fem)
أمثلة حسب المستوى
Eu moro no Brasil.
I live in Brazil.
O livro é do João.
The book is João's.
Estou na escola.
I am at school.
A casa da Maria.
Maria's house.
Vou ao cinema hoje.
I'm going to the cinema today.
Ele caminha pelo parque.
He walks through the park.
Gosto das praias de Portugal.
I like the beaches of Portugal.
Estamos nos Estados Unidos.
We are in the United States.
Diga à professora a verdade.
Tell the truth to the teacher.
O resultado do exame foi bom.
The exam result was good.
Eles moram numa casa grande.
They live in a big house.
Pela manhã, tomo café.
In the morning, I drink coffee.
A decisão foi tomada pelo conselho.
The decision was made by the council.
Chegamos à conclusão de que é impossível.
We reached the conclusion that it is impossible.
Os problemas da economia são complexos.
The economy's problems are complex.
Ele passou pelos testes com sucesso.
He passed the tests successfully.
À medida que estudamos, aprendemos mais.
As we study, we learn more.
O autor refere-se à obra clássica.
The author refers to the classic work.
Pelos vistos, ele não vem.
Apparently, he is not coming.
A situação do país preocupa-nos.
The country's situation worries us.
À luz dos acontecimentos, mudamos de opinião.
In light of the events, we changed our opinion.
O reconhecimento pelo mérito é justo.
Recognition for merit is fair.
Ele vive à margem da sociedade.
He lives on the fringes of society.
A influência dos meios de comunicação é vasta.
The influence of the media is vast.
سهل الخلط
Learners mix 'of the' and 'in the'.
Learners forget the crase.
Gender agreement.
أخطاء شائعة
de o
do
em a
na
a o
ao
de a
da
de os
dos
em os
nos
a a
à
por o
pelo
por a
pela
em um
num
a a
à
de o
do
em a
na
por o
pelo
أنماط الجُمل
Eu estou ___ ___.
Este é o livro ___ ___.
Eu vou ___ ___.
Eu passo ___ ___.
Real World Usage
Tô no mercado.
Vou ao hotel.
Trabalhei na empresa X.
O pedido do cliente.
Foto do dia.
A análise do texto.
Gender is Key
Don't skip the crase
Listen for the 'u' sound
Regional variation
Smart Tips
Always check if a preposition is followed by an article.
Focus on the flow; contractions make it easier.
Identify the base words.
Listen for the merged sounds.
النطق
Vowel reduction
The 'o' in 'do' or 'no' often sounds like 'u'.
Statement
Estou no carro. ↘
Falling intonation for facts.
احفظها
وسيلة تذكّر
Think of contractions as magnets: Prepositions and articles are attracted to each other and snap together.
ربط بصري
Imagine two puzzle pieces labeled 'de' and 'o' clicking together to form 'do'.
Rhyme
De plus o makes do, em plus a makes na, it's the Portuguese way, just like that, ha!
Story
João wanted to go to the park. He said 'Vou a o parque'. His friend laughed and said 'No, say ao parque!'. João learned that in Portugal, words love to hold hands.
Word Web
تحدٍّ
Write 5 sentences describing where you are and what you own using contractions.
ملاحظات ثقافية
In informal speech, 'em' often becomes 'no/na' even when not strictly required.
Contractions are strictly observed in all registers.
Similar to Portugal, formal usage is standard.
These contractions evolved from Latin prepositions and demonstratives.
بدايات محادثة
Onde você mora?
De quem é este livro?
Você vai ao cinema hoje?
O que você acha da política?
مواضيع للكتابة اليومية
أخطاء شائعة
Test Yourself
Eu moro ___ Brasil.
O carro ___ João.
Find and fix the mistake:
Vou a o cinema.
Arrange the words in the correct order:
All words placed
Click words above to build the sentence
In the house.
Answer starts with: Na ...
Match each item on the left with its pair on the right:
em + a
A: Onde você está? B: Estou ___ parque.
Score: /8
تمارين تطبيقية
8 exercisesEu moro ___ Brasil.
O carro ___ João.
Find and fix the mistake:
Vou a o cinema.
estou / na / escola / Eu
In the house.
de + o
em + a
A: Onde você está? B: Estou ___ parque.
Score: /8
الأسئلة الشائعة (8)
No, they are mandatory in standard Portuguese.
It indicates the contraction of 'a' + 'a'.
Yes, 'do' becomes 'dos'.
Yes, it is 'por' + 'o'.
Yes, they are required.
The rules are the same, but speech is more informal.
You will sound unnatural.
Use them in daily sentences.
Scaffolded Practice
1
2
3
4
Mastery Progress
Needs Practice
Improving
Strong
Mastered
In Other Languages
del/al
Portuguese contracts 'em' and 'por' as well.
du/au
Portuguese has a wider range of contractions.
im/am
Portuguese contractions are much more frequent.
none
No fusion exists in Japanese.
none
Portuguese uses distinct words.
none
No word fusion.
Learning Path
Prerequisites
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