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1、单数主格人称代词要变成相应的复数主格人称代词.Iwe：youyou；she,he,itthey。She is a girl.They are girls.第1页/共9页 am,is要变为are。Im a student.We are students.第2页/共9页不定冠词a,an要去掉。He is a boy.They are boys第3页/共9页指示代词this,that要变为these,those。This is a book.These are books.第4页/共9页普通单数名词要变为复数形式。It is a cat.They are cats.第5页/共9页man,woman作
2、定语修饰可数名词时，要在 数上与被修饰名词保持一致。但其他名词修饰名词表示 性质时，不作变化。He is a man doctor They are men doctors.This is an apple tree They are apple trees.第6页/共9页口诀单数句子变复数，变化规则要记住。名词代词要变化，am,isam,is要变areare。this,thatthis,that变成啥，these,thosethese,those来替它。he,she,ithe,she,it要变啥，全部变theythey不用怕.要变wewe莫落下，名词后面把s/ess/es加。名前冠词去掉它，
3、其余成分原样加。第7页/共9页Excercises 单复数相互转换，每空一词(含缩写)。1.The woman is a nurse.(1.The woman is a nurse.(改为复数句)The_ _ _.The_ _ _.2.There are some old cars.(2.There are some old cars.(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)_ _ new _._ _ new _.4.Are these your chicks?(4.Are these your chicks?(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)_ there _ _ in the playground?_ there _ _ in the playground?第8页/共9页谢谢您的观看！第9页/共9页