Grammar › N2 · 03 Reasons and causes

〜ことだから: knowing that (person); since it is

N2 · 03 Reasons and causes

Says "because it is that person (or thing), I expect this result", based on what you know about them.

Person noun + のことだから. Example: 彼のことだから、きっと遅れてくるだろう. The result is the speaker's guess or expectation. Used with people you know well, not with strangers.

Examples

まじめな彼かれのことだから、きっと約束やくそくは守まもるでしょう。

Knowing how serious he is, he will surely keep his promise.

心配しんぱい性せいの母ははのことだから、また電話でんわがかかってくるよ。

Knowing my worrying mother, she will call again.

Study 〜ことだから in the course →