(1) 先行词是who或who引导的主句。

　　Who is the girl (that) drove the car? Who (that) broke the window will be punished.

　　(2) 主句以There be 引导时 。 There are 200 people (that) didn’t

　　that和which在指物的情况下一般都可以互换, 但在下列情况下, 一般用which而不用that。

　　(1)关系代词在限制性定语从句中紧跟介词作宾语(介词提前)。 Those are many trees under (which) they can have a rest.

　　(2) 在非限制性定语从句中。 Football , (which) is a very popular game, is played all over the world.

　　后跟ing 的词有

　　Finish doing Before 2008 Beijing we will finish building the Olympic Park.

　　enjoy doing 喜欢做某事 I enjoy reading English loudly.

　　mind doing 介意(反对)做某事 would you mind opening the window?

　　practice doing sth. 练习做某事 we should practice speaking English as often as possible.

　　be busy doing sth. 忙于做某事

　　be worth doing sth. 值得做某事

　　feel like doing sth =want to do sth. 想要做某事

　　spend --- (in) doing sth 花费时间做某事

　　stop / prevent / keep ----from doing 阻止某人做某事

　　have trouble \problem / a hard time doing sth. 做某事很困难

　　Have fun doing sth. =have a good time doing sth. 做某事很快乐

　　go on doing sth 接着做原来做着的事

　　go shopping / swimming/ skating /surfing---

　　do some running / washing/ cooking ---

　　介词(for, with, without, about ---)

　　后跟动词原形:

　　why don't you

　　why not

　　you'd better (not)

　　would you please (not)

　　make\ let \ have\ [注意: 在被动语态中, t o 要加上]

　　后跟ing 和TO 的区别

　　developing country 发展中国家 developed country 发达国家

　　stop to do sth.停下手中的事而去做另外的事(事情有两件)

　　Stop doing sth. 停止正在做的事情(事情只有一件)

　　Remember to do sth.记住要去做某事(事情没有做)

　　Remember doing sth. 记得曾经做过某事(事情已经做)

　　Forget to do sth. 忘记去做某事(事情没做)

　　Forget doing sth. 忘记曾经做过的事情 (事情已经做)

　　Try to do sth. 努力去做某事

　　Try doing sth. 试着去做某事

　　Go on to do sth. 做完一件事，接着改做另外一件事

　　Go on doing sth. 继续不停地做某事

　　See / hear sb doing / do