彼はその約束のことなんかまったく忘れてしまったにちがいない。の英語

He must have forgotten all about the promise.

He will often forget his promise.

He seldom breaks his promise.

He had never canceled an appointment before.

She must have forgotten all about the promise.

He is apt to forget his promise.

He's apt to forget his promise.

He never breaks his promise.

He never breaks his promises.

He didn't carry out his promise.

He is the last man to break his promise.

He often fails to keep his promise.

He promised to come, and didn't.

He promised to come, but he didn't come.

He never breaks his promise.

He never breaks his promises.

She must have forgotten the promise.

He never keeps his word.

He is the last person to break his promise.

His promise cannot be relied on.

He never keeps his word.

Something happened and he couldn't keep his promise.

He will never break his promise.

He forgot his promise to go there.

I'm sure he won't fail to keep his word.

He will never break his promise.

He was oblivious of his promise.

Promises with him have no meaning.

She cursed him for forgetting his promise.

He promised to keep it to himself.