1、keep+形容词；

2、keep doing一直做某事；

3、keep sb doing让某人一直做某事；

4、keep sb from doing sth阻止某人做某事；

5、keep in +表示状态的词

扩展资料

例句：

I kept telling myself to keep calm.

我不断叮嘱自己要保持冷静。

I'm very sorry to keep you waiting.

对不起，让你久等了。

Let's keep in touch.

咱们保持联系。

You just have to keep yourself busy and keep going.

你只要让自己忙起来，就能坚持下去。