当她来到这里时我正在打篮球。

I was playing basketball when she came here.

youdao

我正在打篮球。

I am playing basketball.

youdao

我如今正在打篮球。

I am playing basketball now.

youdao

我看见男孩子正在打篮球。

I saw the boys playing basketball.

youdao

刚才我看见他正在打篮球。

I saw him playing basketball just now.

youdao

刚才我看见他正在打篮球。

I saw him playing basketball just now.

youdao