11) 使用-ing分词的几种情况

1.在进行时态中。如：

He is watching TV in the room.

They were dancing at nine o’clock last night.

2.在there be结构中。如：

There is a boy swimming in the river.

3.在have fun/problems结构中。如：

We have fun learning English this term.

They had problems getting to the top of the mountain.

4.在介词后面。如：

Thanks for helping me.

Are you good at playing basketball?

5.在以下结构中：

enjoy doing sth乐于做某事

finish doing sth 完成做某事

feel like doing sth 想要做某事

stop doing sth 停止做某事

forget doing sth 忘记做过某事

go on doing sth 继续做某事

remember doing sth 记得做过某事

like doing sth 喜欢做某事

keep sb doing sth 使某人一直做某事

find sb doing sth 发现某人做某事

see/hear/watch sb doing sth

看到/听到/观看某人做某事

try doing sth 试图做某事

need doing sth 需要做某事

prefer doing sth 宁愿做某事

mind doing sth 介意做某事

miss doing sth 错过做某事

practice doing sth 练习做某

be busy doing sth 忙于做某事

can’t help doing sth禁不住做某事