小学英语-名词单数句变复数句.ppt

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.Iwe：youyou；she,he,itthey。She is a girl.They are girls.,am,is要变为are。Im a student.We are students.,不定冠词a,an要去掉。He is a boy.They are boys,指示代词this,that要变为these,those。This is a book.These are books.,普通单数名词要变为复数形式。It is a cat.They are cats.,man,woman作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.,口诀,单数句子变复数，变化规则要记住。名词代词要变化，am,is要变are。this,that变成啥，these,those来替它。he,she,it要变啥，全部变they不用怕.要变we莫落下，名词后面把s/es加。名前冠词去掉它，其余成分原样加。,Excercises 单复数相互转换，每空一词(含缩写)。,1.The woman is a nurse.(改为复数句)The_ _ _.2.There are some old cars.(改为单数句)There _ _ old _.3.He has a new book.(改为复数句)_ _ new _.4.Are these your chicks?(改为单数句)_ _ your _?5.Is there a sheep in the playground?(改为复数句)_ there _ _ in the playground?,