ことはない／～こともない  (koto-wa-nai): There is no need to

There is no need to

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.

Often reassures someone that an action is unnecessary; distinguish past verb plus ことがない meaning never having done it.

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.