定语从句不能省略that

定语从句不能省略that是在以下几种情况。一起来看看吧。

1.非限制性定语从句中,that有其他意思不可省

2.有不定代词时

3.有only时

4.有序数词时

5.指人又指物时

6.有形容词最高级时

　　定语从句讲解：

Have you heard of a pig that is nearly as smart as a human being?

从句部分：that is nearly as smart as a human being

An elephant and a mouse fell in love with each other, which is most unusual.

从句部分：which is most unusual 非限定性定语从句

定语从句类型

非限定性定语从句

He got the first prize, which is out of my expectation.

限定性定语从句

Have you finished the work that the teacher asked?

I have a sister who is a nurse.

I have a sister, who is a nurse.

区别：

【1】从句作用不同

【2】翻译方式不同

The speed at which China’s economy has been growing in the past decade is remarkable.

从句部分：

at which China’s economy has been growing in the past decade

拆分步骤

1. 圈定句中动词

2. 圈定句中关系代词或关系副词

3. 动词1+ 关系词+动词2

关系词 + 动词1 + 动词2

The child whose parents died in the car crash was left in the care of his grandparents.

The first case of bird flu that was reported in Thailand captured the attention of officials from WHO.

She has the confidence with which she can overcome every obstacle that she may come across in her life.

句子主体构成

The teacher praised the boy.

主 谓 宾

The man is the professor of the university.

主 系 表

I know the girl who comes from Beijing.

I know the boy who was praised by the teacher.

The book which is related to the development has been published recently.

当关系词在从句中充当主语时，可以省略，后面的动词发生形式变化——

主动语态时，动词变成-ING形式

被动语态时，动词保留过去分词形式

I know the girl who comes from BJ.

I often like reading short novels which were written by Hemingway.

I often like reading short novels written by Hemingway.

I raise a dog which is named KING.

* I raise a dog named KING.

I believe the candidate who made the speech in the assembly yesterday is sure to win the support.

*I believe the candidate making the speech in the assembly yesterday is sure to win the support.

I know the boy who was praised by the teacher.

The book which is related to the development has been published recently.

They lived in a house facing the south.

= They lived in a house which faced the south.

The workers working in the factory are well-paid.

= The workers who work in the factory are well-paid.

= The workers who are working in the factory are well-paid.

The tie worn by our head was made in Shanghai.

= The tie which is worn by our head was made in Shanghai.

The book written by Wang sells well.

= The book which was written by Wang sells well.