单复数句子变换.doc

单数句变复数句
单数句变复数句,
人称,指示,物主代词要变.
be动词 am 或 is要变成 are。
冠词a an改为some或any。
句式不要变，十全十美题做完。
1、人称代词由单数变复数：
1) 主格： I 变 we ，you 还是 you ，he/she/it变成 they .
2) 宾格： me变成 us ，you 还是 you ，him/her/it 变成 them .
例1 She is a girl . They are girls .
例2 I like her. We like them.

2 、 指示代词由单数变复数：
this 变 these ， that 变those
例1 This is a book . These are（some）books .
例2 Is that a pen？ Are those（any）pens？

3、 物主代词由单数变复数：
形容词性物主代词：my 变 our， your还是 your ，his/her/its变成 their
例1 The book is mine. The books are ours.
例2 This is her pen. These are their pens.

4 、 be动词由单数变复数 ：is/am are
例1 I am a teacher. We are some teachers.
5 、a/an表示一个，只能用在单数名词前，当单数句变复数句时， 一定要把a/an改为some或any。

例1 This is a book . These are some books .
例2 Is that a pen？ Are those any pens？
6、 单数句变为复数句时，句式不能改变，即单数句是疑问句时，变为复数句时，仍然是疑问句。

例1 What’s this？ What are these？
例2 She likes his bike. They like their bikes.
一 将下列单数句变为复数句
1 This is a book .
2 Is that a pen？
3 She is a girl .
4 I like her.
5 The book is nice.
6 This is her pen.
7 I am a teacher.
8 He is a boy student .
9 She is a woman worker.
10 He likes his bike.
二 将下列复数句变为单数句
1 What are these？
2 They like their bikes.
3 These are my books .
4 These are some books .
5 Are those any pens？
6 They are girls .
7 We like them.
8 These are some books .
9 Are those any pens？
10They like my bikes.