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 例1 The book is mine. The books are ours. your ，his/her/its变成 their 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 本文来源：https://www.wddqw.com/doc/330164d580eb6294dd886c1c.html