限制性定语从句可以用that/which，多数情况下可以通用，但在某些条件下，只能用that。今天，小编为同学们收集、整理相关的语法知识，给大家介绍限制性定语从句只能用that的几种情况，一起来看看吧！
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1．当先行词是anything, everything, nothing something, few, all, none, little, some等代词时，或者是由every, any, all, some, no, little, few, much等修饰时
(1) Have you taken down everything that Mr. Li has said?你记下李先生所说的一切了吗？
(2)All that can be done has been done. 所有能做的事都做完了。
(3) There is little that I can do for you. 我没有什么可以为你做的。
注意：当先行词指人时，偶尔也可以用who
2. 当先行词被序数词修饰
The first place that they visited in London was the Big Ben.
3. 当先行词被形容词最高级修饰时
This is the best film that I have seen.
4. 当形容词被the very, the only 修饰时
(1) This is the very dictionary that I want to buy. 这是我想买的那本字典。
(2) After the fire in his house, the old car is the only thing that he owned. 在他家着火之后，那辆旧汽车是他唯一拥有的东西。
当先行词指人时，偶尔也可以用who
(3) Wang Hua is the only person in our school who will attend the meeting. 王华是我们学校唯一参加会议的人。
5. 当先行词前面有who, which等疑问代词时
(1) Who is the man that is standing there?
(2) Which is the T-shirt that fits me most?
6. 当先行词既有人，也有动物或者物体时
Can you remember the scientist and his theory that we have learned? 你还记得我们所学的那位科学家和他的理论吗？
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以上就是有关限制性定语从句只能用that的几种情况的内容了。希望能给大家带来相应的帮助，喜欢就赶快收藏起来吧~
