定語從句什么時候才能用that

1、定語從句什么時候才能用 thatA. 以下情況多用 that.(1) 如果先行詞是 all, much, anything, something, nothing, everything, little, none 等不定代詞，關(guān)系代詞一般只用that，不用 which 。例如：All the people that are present burst into tears.Is there anything that I can do for you?(2) 如果先行詞被 the only, the very, the same, the last, the best 等詞修飾，關(guān)系代詞常用

2、that(指人時，可以用 who),例如：This is the very book that I want to find.That is the best film that we have seen.I was the only person in my office that/who was invited. (3) 當先行詞被 all, every, no, some, any, little, much 所修飾時； You can take any seat that is free.(4) 當先行詞被序數(shù)詞或形容詞最高級所修飾時。It is the first foreign b

3、ook that I have ever seen. This is the most beautiful flower that I have seen.(5) 在there be句型中，常用 that.There is a man that lives in that village.(6) 先行詞有兩個，一個指人，一個指物，關(guān)系代詞應該用that。例如：The boy and the dog that are in the picture are very lovely.B. 以下情況用 which.(1) 當關(guān)系詞前面有介詞時，指物常用 which.The prize for whic

4、h he worked so hard was a new bike.He built a telescope through which he could study the skies.(2) 非限制性定語從句指物時，多用 which. Bamboo is hollow, which makes it light.He wrote an article, which tells us about the computer.(3) 如果先行詞本身是 that 時，只用 which. This is that which he bought yesterday.(4) which 還有一種特殊用法， 它可以引導從句修飾前面 的整個主句，代替主句所表示的整體概念或部分概念。在這 種從句中， which 可以作主語，也可以作賓語或表語，多數(shù) 情況下意思是與 and this 相似，例如：He succeeded in the competition, which made his parents very happy.追問：當先行詞被序數(shù)詞修飾時，怎么辦回答： (4) 當先行詞被序數(shù)詞或形容詞最高級所修飾時。It is thefirst foreign book