单数句变复数句(附练习和答案).doc

单数句变复数句 ???? 单数句变复数句歌谣： ??????????????????????????????????? ??单数句变复数句,?? 代词四变要记住。????????????????????????????????????????????人称,指示,反身变 物主代词看一看。????????????????????????????????????????????连系动词 am? is?? 变成 are。????????????????????????????????????????????冠词a an要去掉，改为some,any也可以。????????????????????????????????????????????名词做定语，介宾不要变；有man和woman也例外。????????????????????????????????????????????句式不要变，十全十美题做完。??????1人称代词由单数变复数： ?????主格 I? we you? you he/she/it? they 宾格 me us you? you him/her/it them ?????????? 例1 She is a girl . They are girls . ?????????? 例2 I like her. We like them. 指示代词由单数变复数： 单数 复数 this? ??these? that? those ???????? 例1 This is a book .???? These are（some）books . ???????? 例2 Is that a pen？????? Are those（any）pens？????? ?3? 反身代词：　?????? ????????????? ??第一人称?? ?myself????????????? ourselves 　???? 　??????????? ??第二人称?? ?yourself????????? ?yourselves 　　???????????????? ? 第三人称??? himself?????????? ?themselves 　　??????????????????????????????? ?? ( herself, itself ) ??????????? 例1 I am teaching myself computer.?? ?????????????????? ?We are teaching ourself computer.　　? 例2 The child himself draws this picture.?? ????????????????? ?The children themselves? draw? these pictures. 　　????4 物主代词由单数变复数： ??????????????? ?1 名词性物主代词：mine ours ，yours yours ， his/hers/its theirs ???????????????? ?2 形容词性物主代词：my? our，your your ，his/her/its their ?????????????????????? ?例1 The book is mine. The books are ours. ?????????????????????? ?例2 This is her pen. These are their pens.??? 5 一般情况下，形容词性物主代词在单数句变复数句时不变。 ????????????????????? ?例1 This is my book .???? These are my books . ? ??6 当句中形容词性物主代词与句中的主语一致时，形容词性物主代词 ??????? 应随主语人称的变化而变化，? 仍要保持一致。 ??????????????????? ?? 例1 He likes his bike.? They like their bikes. ?????7 连系动词由单数变复数 ：is/am? are ???????????????????? ?例1 I am a teacher. We are（some）? teachers. ????8? 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去掉，或改为some/any。 ????????????????????? ?例1 This is a book .???? These are（some）books . ?????????????????