﻿ ﻿﻿﻿ 如何选择关系词 | 玄数
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## 如何选择关系词

2018-12-27

### SAT

3/4 of the senior class went to the prom, of which 1/3 brought a date from a different high school. If 38 people at the prom were not from the high school, how many students are there in the senior class?

152. 3/4的高年级学生参加了舞会, 其中1/3带来了来自不同高中的伴侣. 如果舞会上有38人不是高中, 那么高年级的学生有多少人?

1.  划分主句和定语从句

2.  确定先行词：“人” 可以从 that，who，whom，whose 中选， “物” 可以从 that，which 中选

3.  把先行词带回定语从句中去，看其在定语从句中做什么语法成分

 主格 宾格 定语 人 who，that whom，who，that whose 物 which，that which，that whose， of which

4.  根据先行词“人” / “物”及语法作用确定关系词。有时可以省略，若是作状语的从关系副词 where，when，why 中选，也可介词 + which

### 一、The girl ________ is reading under the tree is my sister.

1.  先行词为 the girl, 拆分为 The gril is reading under the tree.  +  The girl is my sister.

2.  先行词放回定语从句中 The gril is reading under the tree，此时 the girl 作从句的主语。

3.  关系词可用 thatwho。（ 在树下读书的那个女孩是我的妹妹。）

### 二、The girl ________ you are waiting for has gone out.

1.  先行词为 the girl，拆分为 You are waiting for a girl.  +  The girl has gone out.

2.  先行词放回定语从句中 You are waiting for the girl，此时 the girl 作从句的宾语。

3.  关系词可用 whomwhothat。（ 你在等的那个人已经外出了。）

### 三、This is the university ________ we visited yesterday.

1.  先行词为 the university，拆分为 This is a university.  +  We visited the university yesterday.

2.  先行词放回定语从句中 We visited the university yesterday，此时 the university 作从句的宾语。

3.  关系词可用 whichthat。（ 这就是我们昨天参观了的大学。）

### 四、This is the university ________ I have learned much knowledge.

1.  先行词为 the university，拆分为 This is a university.  +  I have learned much knowledge in the university.

2.  先行词放回定语从句中I have learned much knowledge in the university，此时 the university 作从句的状语。

3.  关系词可用 wherein which。（ 这就是让我从中学习了很多知识的大学。）

### 五、I’ll never forget the days ________ I spent in my university.

1.  先行词为 the days，拆分为 I’ll never forget the days.  +  I spent the days in my university.

2.  先行词放回定语从句中 I spent the days in my university，此时 the days 作从句的宾语。

3.  关系词可用 whichthat。（ 我永远不会忘记那段在大学里的日子。）

### 六、I’ll never forget the days ________ I stay in my university.

1.  先行词为 the days，拆分为 I’ll never forget the days.  +  I stay in my university in the days.

2.  先行词放回定语从句中 I stay in my university in the days，此时 the days 作从句的状语。

3.  关系词可用 whenin which。（ 我永远不会忘记那段在大学里的日子。）

### 七、I live in the room ________ windows faces south.

1.  先行词为 the room，拆分为 I live in the room.  +  The room’s windows faces south.

2.  先行词放回定语从句中 The room’s windows faces south，此时 the room’s 作windows的定语。

3.  关系词可用 whose。（ 我住在窗户朝南的那间屋子里。）

### 八、Do you know the reason ________ she was late?

1.  先行词为 the reason，拆分为 Do you know the reason?  +  For the reason she was late.

2.  先行词放回定语从句中 For the reason she was late，此时 reason 作从句的原因状语。

3.  关系词可用 why。（ 你知道她迟到的原因吗?）

### 练习

geometric sequence   等比数列
A series of numbers in which each is multiplied by a fixed number to produce the next. Like:

 * 定语从句 * 关系代词 that * 关系代词 who, whom, whose * 关系副词 where, when, why * 限定性、非限定性定语从句 * 表语从句

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