你回来之前，我已经做完作业了。

I had done my homework before you came back.

youdao

他说：“我已经做完作业了。”

I think he has finished his work.

youdao

我忘了我已经做完作业了。

I forget having finished my homework.

youdao

今天我已经做完作业了。

I have done my homework today.

youdao

昨天晚上我父亲回来的时候我已经做完作业了。

I had finished my homework when my father came back last night.

youdao

他告诉我他已经做完作业了。

He told me that he had finished his homework.

youdao

他告诉我他已经做完作业了。

He told me that he had finished his homework.

youdao