1. 当先行词为all, much, little, none及由any, every, some,
如：We should do all that is useful to the people. 我们应该做一切有益于人民的事情。
Please tell me anything that you know about the matter.
2. 当先行词被any, few, little, no, all, much, some等词修饰时。
如：You can take any seat that is free. 任何空着的座位你都可以坐。
There is little work that is fit for you. 几乎没有适合你的工作。
如：When people talk about the cities of China, the first that comes to my
mind is Beijing. 人们谈论起中国的城市的时候，我首先 想到的是北京。
This is the fourth film that has been shown in our school this term.
如：The best that I could do was to apologize. 我唯一能做的就是赔礼道歉了。
This is the most interesting story book that I have ever read.
5. 当先行词被the very, the only, the last, the just, the
如： This is the very book that I’m looking for. 这正是我在找的书。
The only thing that we could do was to wait. 我们唯一能做的事就是等待。
如：I need the same book that / as you have. 我需要有你一样的书。
如： They are talking of the heroines and their deeds that interest them.
如：Who that has ever worked together with him doesn’t admire him?
Which is the star that is nearer to the earth？ 哪个是离地球比较近的星星？
如：That’s a good book that will help you a lot. 那是本对你很有帮助的书。
Our school is no longer the place that it used to be.
9. 先行词为time时，当time表示次数，引导词用that, 可省略。
如：I do remember the first time(that) I had ever heard the sweetest voice in
I did't remember the exact time （when/that） I arrived in Shanghai last
如： The house in which we live is very large. 我们住的房子非常大。
This is the reference book of which the teacher is speaking.
注意： 如果介词不放在修饰事物的限定性定语从句的句首， which就可换为that， 例如： This isthe question
which/that we’ve had so much discussion about. =This is the question about
whichwe’ve had so much discussion. 这就是我们已经多次讨论过的问题。
2. 先行词为“those＋表事物的复数名词”时， 关系代词通常只用which而不用that。
如：you should grasp well those skills which may be used in the future
如： She likes the child for the very reason that (=for which) she loves his
He didn’t like the way that (=in which) she speaks to his mother.
Imagine the speed that (=at which) he drives the car. 很难想象，他开车开得那么快。
The reason (that /for which /why) he came here was to ask for our