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1、名词单数句变复数句名词单数句变复数句单数主格人称代词要变成相应的复数主格人称代词单数主格人称代词要变成相应的复数主格人称代词.IweIwe：youyouyouyou；she,he,ittheyshe,he,itthey。She is a girl.She is a girl.They are girls.They are girls.am,is am,is要变为要变为areare。Im a student.Im a student.We are students.We are students.不定冠词不定冠词a,ana,an要去掉。要去掉。He is a boy.He is a boy.Th
2、ey are boysThey are boys指示代词指示代词this,thatthis,that要变为要变为these,thosethese,those。This is a book.This is a book.These are books.These are books.普通单数名词要变为复数形式。普通单数名词要变为复数形式。It is a cat.It is a cat.They are cats.They are cats.man,man,womanwoman作作定定语语修修饰饰可可数数名名词词时时，要要在在 数数 上上与与被被修修饰饰名名词词保保持持一一致致。但但其其他他名名词
3、词修修饰饰名名词词表表示示 性质性质 时，不作变化。时，不作变化。He is a man doctor He is a man doctor They are men doctors.They are men doctors.This is an apple tree This is an apple tree They are apple trees.They are apple trees.口诀口诀单数句子变复数，变化规则要记住。单数句子变复数，变化规则要记住。名词代词要变化，名词代词要变化，am,isam,is要变要变areare。this,thatthis,that变成啥，变成啥，th
4、ese,thosethese,those来替它。来替它。he,she,ithe,she,it要变啥，全部变要变啥，全部变theythey不用怕不用怕.要变要变wewe莫落下，名词后面把莫落下，名词后面把s/ess/es加。加。名前冠词去掉它，其余成分原样加。名前冠词去掉它，其余成分原样加。ExcercisesExcercises 单复数相互转换，每空一词单复数相互转换，每空一词(含缩写含缩写)。1.The woman is a nurse.(1.The woman is a nurse.(改为复数句改为复数句)The_ _ _.The_ _ _.2.There are some old car
5、s.(2.There are some old cars.(改为单数句改为单数句)There _ _ old _.There _ _ old _.3.He has a new book.(3.He has a new book.(改为复数句改为复数句)_ _ new _._ _ new _.4.Are these your chicks?(4.Are these your chicks?(改为单数句改为单数句)_ _ your _?_ _ your _?5.Is there a sheep in the playground?(5.Is there a sheep in the playground?(改为复数句改为复数句)_ _ there there _ _ _ _ in in the the playground?playground?