Meaning
Names an action that is necessary; the negative form removes that necessity.
Formation
- Dictionary form + 必要がある: 申し込む必要があります
- Negative: 必要はありません
When to use it
- Core use
- There is a need to do it
Examples
20 sentences-
明日までに申し込む必要があります
You need to apply by tomorrow.
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この薬を飲む必要はありません
You do not need to take this medicine.
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海外へ行くにはパスポートを取る必要があります
You need to obtain a passport to travel abroad.
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雨がやんだので傘を持つ必要はありません
The rain has stopped, so you do not need to carry an umbrella.
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出かける前にスマホを充電する必要があります
You need to charge your phone before going out.
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試合に勝つには毎日練習する必要があります
You need to practice every day to win the match.
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この部屋では靴を脱ぐ必要があります
You need to take off your shoes in this room.
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人気の店なので予約する必要があります
It is a popular restaurant, so you need to make a reservation.
12 more examples
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小さな傷なので心配する必要はありません
It is a small scratch, so there is no need to worry.
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大切な写真は別の場所にも保存する必要があります
You need to save important pictures in another place too.
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申し込むには、ここに名前を書く必要があります
To apply, you need to write your name here.
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明日は休みなので、早く起きる必要はありません
Tomorrow is a day off, so there is no need to get up early.
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引っ越す前に、いらない物を捨てる必要があります
Before moving, I need to throw away the things I don't need.
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寒くなるので、コートを持っていく必要があります
It is going to get cold, so you need to take a coat.
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来週テストがあるから、もっと勉強する必要があります
There is a test next week, so I need to study more.
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一人でできるので、手伝う必要はありません
I can do it by myself, so there is no need to help.
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子どもはお金を払う必要はありません
Children do not need to pay.
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熱が高いときは、すぐ病院に行く必要があります
When you have a high fever, you need to go to the hospital right away.
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図書館で本を借りるには、カードを作る必要があります
To borrow books from the library, you need to get a library card.
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晩ご飯の準備をする必要があります
It is necessary for me to prepare dinner.
Important notes
- 必要がある states a need, often in explanations or instructions.
Common mistakes
- Use dictionary form for the action: 予約する必要がある. 必要はない removes the need, not permission.
Check yourself
Pick the translation of each sentence. The wrong options translate similar patterns, so watch the grammar rather than the words.
Similar grammar
Hear it in podcasts
The pattern appears in these episodes. They open in the app with the transcript and translation.
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