过去习惯性的行为或重复的动作(常用used to + V表示)

I went jogging every morning. 我过去每天早上都慢跑。

= I used to go jogging every morning.

I swam every day when I was young. 我年轻的时候每天游泳。

= I used to swim every day when I was young.

We often played tennis together. 我们过去常一起打网球。

=We used to play tennis together.

He is not what he was. 他不再是他过去的样子了。

= He is not what he used to be.

There was a movie house there. 那里从前有一家电影院。

= There used to be a movie house there.

I used to like fish, but now I don't.

我以前喜欢吃鱼，现在不喜欢了。

He doesn't work here now, but he used to.

他现在不在这里工作，但以前在这里工作

My father doesn't smoke as much as he used to.

我父亲不再像以前那样抽那么多烟了。