JLPT N4 grammar

〜必要: meaning and usage

Meaning

  1. It is not necessary for A to be done.
  2. There is a need to A; A is necessary
  3. A is necessary

This point is also listed at N2 · N1.

How to form it

  • verb (dictionary form)必要がある
  • verb (dictionary form)必要はない
  • nounが必要だ

How it is used

「〜必要がある」 means there is a need to; 「〜必要はない」 means there's no need to, more formal than 「〜なくてもいい」. 「Nが必要だ」 means N is needed; before a noun it is 「必要な」.

Examples

  1. 夏休みだから学校へ行く必要はないんだ。

    It's summer vacation so there's no need to go to school.

  2. この店に入るには、予約が必要です。

    You need a reservation to get into this restaurant.

  3. 旅行の前に、ホテルに連絡する必要があります。

    You need to contact the hotel before the trip.