~ことはない/~こともない
koto wa nai
There is no need to
Formation 接続
Full formation notes
V dictionary + ことはない/こともない
Notation: N = noun; V dictionary = dictionary-form verb; V stem = the stem before ます; plain clause = plain-form clause; negative stem = the form before ない. Follow the attachment shown above.
Explanation 説明
Often reassures someone that an action is unnecessary; distinguish past verb plus ことがない meaning never having done it.
Examples 例文
-
一人で全部資料を確認することはない。手伝います。
You do not have to check the documents entirely on your own. I will help.
-
一人で全部先生に相談することはない。手伝います。
You do not have to consult the teacher entirely on your own. I will help.
-
一人で全部計画を見直すことはない。手伝います。
You do not have to review the plan entirely on your own. I will help.
-
一人で全部会場を下見することはない。手伝います。
You do not have to inspect the venue beforehand entirely on your own. I will help.
-
一人で全部十分に練習することはない。手伝います。
You do not have to practice thoroughly entirely on your own. I will help.
How related patterns differ 比較
ほうがいい recommends a better option. なくてもいい and ことはない remove an obligation rather than prohibit an action. なければならない, ないといけない, and なくちゃいけない express obligation at different levels of formality.
| Pattern | Meaning | Example |
|---|---|---|
| ~ことはない/~こともない | There is no need to | 一人で全部資料を確認することはない。手伝います。 You do not have to check the documents entirely on your own. I will help. |
| ~たほうがいい/ないほうがいい | Had better; should; should not | 毎日、少しずつ単語を覚えたほうがいいよ。 You should learn a little vocabulary every day. |
| ~なくてもいいです | Do not have to; it is not necessary to | 今日は授業がないから、学校に行かなくてもいいです。 There is no class today, so you do not have to go to school. |
| ~なければなりません | Must; have to | 薬を飲まなければなりません。 I have to take medicine. |
| ~ないといけない | Must; have to | 明日は早いので、もう寝ないといけません。 I have an early start tomorrow, so I have to go to bed now. |
Comments posted (0)