限制性定语从句修饰先行词，对先行词起修饰作用，不同引导词有不同的含义和用法，下面，小编就来给大家分享一下选择定语从句的引导词的技巧，一起来看看吧！

 

先行词是物时，其引导词可用 which也可用that，通常情况下二者可互换，但在有些情况下不能。

1．用which不用that引导定语从句的三种情况：

①非限制性定语从句用which，不用that引导。如：

Football，which is a very interesting game，is played all over the world．

②先行词为that时，为了避免重

复，定语从句用which不用that引导。如：

That which you borrowed from me wasn't a real diamond necklace．

③介词后用which不用that引导。如：

The method with which you solved the problem is very good．

2．用that不用which的七种情况：

①先行词前有形容词最高级或序数词修饰时，用 that不用which引导。如：

This is the best place that I have ever visited．

The second question that is asked is why we don't fall off the earth．

②先行词为little，much，all，none，few，（the）one， something，everything，nothing，anything等不定代词时，用that引导。如：

There is nothing in the world that can frighten him．

③先行词既有指人的名词又有指物的名词时，用 that引导。如：

He told us about the people and the cities that he had visited．

④先行词前有any，all，no，few，every，some，little， much，（the）very，（the）only，（the）last等词修饰时，用 that引导。如：

This is the very coat that I need．

Is oxygen the only gas that helps fire burn？

⑤先行词为which时，为了避免重复，用that引导。如：

Which is the book that you bought yesterday？

⑥先行词在从句中作表语时，常用that引导。如：

Shanghai is no longer the city that it used to be in the 1930's．

⑦当主句是There be．．．句型时，用that引导。

There are two tickets for the film that are for you two．

 

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