6. enjoy doing sth. 是“喜欢(爱好)做某事”之意，doing是动名词作动词enjoy的宾语。enjoy有欣赏之意。

Are you enjoy living in Beijing?

Do you enjoy listening to music?

7. stop doing sth. 停止做某事

stop to do sth. 停下来做某事

It's time for class. Stop talking, please.

When she saw me, she stopped to talk with me.

8. Let (make) sb. do 让(使)某人做某事。

Let's go to school.

Father made his son clean the room again.

注意：当make sb. do sth. 用于被动语态时，第二个动词前面就一定要加to了。如：

His son was made to clean the room again.

he was made to work twelve hours a day in the past.

9. like to do / like doing sth. 是“喜欢做某事”之意。

like to do sth. 是表示比较具体的喜欢做某事;like doing sth. 是表示宠统的喜欢做某事。如：

I like to swim in the swimming pool.

我喜欢在游泳池中游泳。(喜欢的具体的地方游泳)

I like swimming. 我喜欢游泳(只讲喜欢这项运动)

10. ask (tell) sb. to do. (not to do) sth. 请(让)某人(不)做某事

Jim asked his mother to help him with his lessons.

When did you tell him not to shout loudly?

11. give (lend) sb. sth. = give (lend) sth. to sb. 给(借给)某人某物

Mike gave me a new pair of stockings.

Please lend us your car.

12. be busy doing sth. 表示“忙于做某事”之意。

The students are busy getting ready for the exams.

Is Mrs Black busy washing clothes?

13. too ... to ... 表示“太…以致不能…”的含义。

She is too young to go to school.

The old man was too tired to walk farther.

14. not……until …… 是“直……才……”之意。

My daughter didn't go to bed until 11 o'clock last night.

We won't have time to rest until the summer holiday comes.

15. so ……that 是“如此……以致……”的意思。

Peter is so clever that all the teachers like him very much.

The song is so wonderful that everyone likes to listen to it.

16. neither ……nor ……是“既不……也不……”之意。

Mr. Smith is neither a worker nor a soldier. He is a scientist.

Neither you nor I am free.

17. enough to do sth. 是“足以去做某事”之意。

She is old enough to go to school.

Peter was tall enough to reach the apple.

19. prefer……to ……是“比起来，还是……好，”“喜欢……而不喜欢”之意。

I prefer English to maths = I like English better than maths

He prefers playing football to playing basketball.