ことはない
(Koto ha nai)
Indicates that there is no need or obligation to do something.
Connection rules
- +Verb (Dictionary form) + ことはない
Examples
1.
君が一人で責任を感じることはないよ。

Kimi ga ichi nin de sekinin wo kanjiru koto ha nai yo.
There is no need for you to feel responsible alone.
「Consoling a worried colleague」
2.
時間は十分にあるから、そんなに急ぐことはない。

Jikan ha juubun ni aru kara, sonnani isogu koto ha nai.
There is plenty of time, so you don't have to rush so much.
「Calming down a friend」
Practice
You didn't do anything wrong, so there is no need to apologize.
あなたは何も悪くないのだから、___よ。
Romaji also accepted