N4 grammar · Lesson 17

Must/needn’t: 「なければなりません」「なくてもいいです」

この薬くすりは一日いちにち三回さんかい飲のまなければなりません。

Say “must” with 「〜なければなりません」「〜なくてはいけません」「〜ないといけません」, casual 「なきゃ」「なくちゃ」, “needn’t” with 「〜なくてもいいです」.

Practise Paid

In this lesson

  1. 01「〜なければなりません」: must
  2. 02「なくてはいけません」 and 「ないといけません」
  3. 03In speech: 「なきゃ」, 「なくちゃ」, 「ないと」
  4. 04「〜なくてもいいです」: don’t have to

Practice

  • Match each phrase to its meaning
  • Choose the correct form
  • What would you say?
  • Choose the phrase for each blank
  • Change to sentences about obligation or not having to
  • Put the pieces in order

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