If something is necessary, you must have it or do it to succeed.
30秒でわかる単語
- Required to be done or present to achieve a goal.
- Used to describe things that cannot be avoided.
- Essential for success or completion of a task.
Overview
The word 'necessary' is a fundamental adjective in English, used to express that something is required for a particular purpose or outcome. It implies that without this element, the goal cannot be achieved or the situation cannot function correctly. 2) Usage Patterns: 'Necessary' is frequently used in the structure 'It is necessary to [verb]' or 'It is necessary for [someone] to [verb]'. It can also be used before a noun, such as 'necessary equipment' or 'necessary steps'. 3) Common Contexts: You will encounter this word in professional settings when discussing requirements ('It is necessary to submit the report by Friday') or in everyday life when describing needs ('Water is necessary for survival'). It is also common in instructional contexts, such as recipes or manuals, where specific actions are required. 4) Similar Words comparison: While 'important' suggests that something has value, 'necessary' is stronger, implying that the thing is strictly required. 'Essential' is a close synonym, often interchangeable with 'necessary', but 'essential' can sometimes imply that something is absolutely fundamental to the very nature of a thing, whereas 'necessary' often focuses on the requirement for a specific task or result.
例文
It is necessary to bring your ID to the meeting.
everydayEs necesario traer tu identificación a la reunión.
Further research is necessary to confirm these findings.
formalSe requiere investigación adicional para confirmar estos hallazgos.
Is it really necessary to go out tonight?
informal¿Es realmente necesario salir esta noche?
The government took all necessary measures to ensure safety.
academicEl gobierno tomó todas las medidas necesarias para garantizar la seguridad.
よく使う組み合わせ
よく使うフレーズ
if necessary
si es necesario
make the necessary arrangements
hacer los preparativos necesarios
do what is necessary
hacer lo que sea necesario
よく混同される語
Necessity is a noun, while necessary is an adjective. You have a necessity, but something is necessary.
Necessarily is an adverb. It is often used in negative sentences like 'It does not necessarily mean...'
文法パターン
How to Use It
使い方のコツ
Necessary is a versatile adjective that fits well in both formal and informal registers. When used in formal writing, it often appears in passive constructions to sound more objective. In casual speech, it is commonly used to express personal requirements or to question the validity of a task.
よくある間違い
A common error is using the noun 'necessity' where the adjective 'necessary' is required. Another mistake is forgetting the 'to' in the phrase 'necessary to [verb]'. Finally, learners sometimes misspell it by adding extra 'c's or missing an 's'.
Tips
Use 'It is necessary' for clarity
Start sentences with 'It is necessary to...' to sound clear and objective. This is a very helpful structure for giving instructions or setting requirements.
Avoid double modifiers
Since 'necessary' implies a requirement, avoid saying 'more necessary' or 'most necessary' unless you are specifically comparing degrees of requirement. Usually, something is simply necessary.
Professionalism in English communication
In English-speaking workplace cultures, using the word 'necessary' can help set professional boundaries. It sounds more objective than saying 'I want' or 'I need'.
語源
The word comes from the Latin 'necessarius', which means 'unavoidable' or 'indispensable'. It is rooted in the concept of something that 'cannot be given up'.
文化的な背景
In many English-speaking cultures, using the word 'necessary' is a polite way to explain why something is being requested. It shifts the focus from the speaker's personal desire to the requirements of the situation.
覚え方のコツ
Remember 'necessary' as a shirt: One Collar (c) and two Sleeves (s). This visual trick helps you get the spelling right every time.
よくある質問
4 問It is neutral and can be used in both formal and informal contexts. However, it is slightly more common in professional or academic writing than in casual conversation.
Technically, 'necessary' is an absolute adjective, meaning something is either necessary or it is not. While people do say 'very necessary' in conversation, it is better to use 'absolutely necessary' or 'essential' for emphasis.
A common trick is to remember that the word has one 'c' and two 's's. Think of it as a shirt that has one collar (c) and two sleeves (s).
The most common antonym is 'unnecessary'. Other words like 'optional' or 'dispensable' can also be used depending on the context.
自分をテスト
Choose the best word to complete the sentence.
It is ___ to arrive at the airport two hours early.
We need an adjective here to describe the action of arriving early.
Select the correct meaning.
What does 'necessary' mean in this sentence: 'Proper tools are necessary for this job'?
Necessary means that the tools are required to finish the job.
Arrange the words to form a correct sentence.
to / is / study / it / pass / necessary / the / exam
The structure 'It is + adjective + to + verb' is the standard way to express requirements.
🎉 スコア： /3
Summary
If something is necessary, you must have it or do it to succeed.
- Required to be done or present to achieve a goal.
- Used to describe things that cannot be avoided.
- Essential for success or completion of a task.
Use 'It is necessary' for clarity
Start sentences with 'It is necessary to...' to sound clear and objective. This is a very helpful structure for giving instructions or setting requirements.
Avoid double modifiers
Since 'necessary' implies a requirement, avoid saying 'more necessary' or 'most necessary' unless you are specifically comparing degrees of requirement. Usually, something is simply necessary.
Professionalism in English communication
In English-speaking workplace cultures, using the word 'necessary' can help set professional boundaries. It sounds more objective than saying 'I want' or 'I need'.
例文
4 / 4It is necessary to bring your ID to the meeting.
Es necesario traer tu identificación a la reunión.
Further research is necessary to confirm these findings.
Se requiere investigación adicional para confirmar estos hallazgos.
Is it really necessary to go out tonight?
¿Es realmente necesario salir esta noche?
The government took all necessary measures to ensure safety.
El gobierno tomó todas las medidas necesarias para garantizar la seguridad.
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この単語を他の言語で
関連語彙
generalの関連語
about
A1'about'は、何かの話題について話すときや、おおよその量を表すときに使います。
above
A2何かの真上にある、より高い位置を示します。
accident
A2予期せず起こる悪い出来事で、損害や怪我につながることがあるものです。
action
A2目標を達成するために何かを実際に行うことだよ。
after
A2'after'は、時間的または場所的に、何かの後であることを意味します。
afterward
A2At a later or subsequent time.
again
A2'again'は、何かがもう一度起こる、繰り返されることを意味します。
aged
B1ある特定の年齢であること。人や物の年齢を表す時に使うよ。
alive
A2死んでおらず、生命活動をしている状態。
all
A2'all'は、物事の全体や、一つ残らずすべてを指します。
