昨天他采时，我们正在打篮球。

When he came yesterday, we were playing basketball.

youdao

昨天他来时，我们正在打篮球。

When he came yesterday, we were playing basketball.

youdao

我们现在正在打篮球。

We are playing basketball now.

youdao

你们正在打篮球吗？是，我们是。不，我们不是。

Are you playing basketball? Yes, we are. No, we aren't.

youdao

你们正在打篮球吗？是，我们是。不，我们不是。

Are you playing basketball? Yes, we are. No, we aren't.

youdao