3.只能使用关系代词that引导的定语从句：

(1). 先行词是不定代词all, something, anything, everything, nothing, none, the one, little, much等，只能使用关系代词that。

e.g. Is there anything that I can do for you?

Do you mean the one that was bought yesterday?

All we have to do is to press the button.

(2). 先行词被only, any, few, little, no, all, one of, just, very 等词修饰时，只能使用关系代词that。

e.g. This is one of the presents that my boy friend gave me on my birthday.

(3). 先行词是形容词的最高级或被形容词的最高级所修饰时，只能使用关系代词that。

e.g. The most important thing that should be done recently is how to collect enough money for that poor student.

(4). 先行词是序数词或被序数词所修饰时，只能使用关系代词that。

e.g. This is the fifth book that he has ever written. When we talk about Hangzhou, the first that comes into mind is the West Lake.

(5). 先行词中既有人又有物，用who或which都不合适时，只能使用关系代词that。

e.g. The car and the driver that killed an old woman were held up by the police. They talked about things and persons that they remembered at school. The writer and his novel that you have just talked about is really well-known.

(6) 先行词为数词时，只能使用关系代词that。

e.g. He brought three children yesterday,.Now I can see the three that are playing in the garden.

(7) 复合句中含有两个修饰人的定语从句，其中一个已经用了who，另一个只能使用关系代词that。

e.g. Edison built up a factory which produced things that had never been seen before.

(8). 主句是there be 结构，如果需要修饰的主语是物，只能使用关系代词that。e.g. There is still a seat in the corner that is still free.

Step 5. Consolidation

牛津译林版高一英语上册重点语法解析：unit 1 school life就整理到这里了，有没有学会呢！

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