英語單數(shù)句變復(fù)數(shù)句PPT優(yōu)秀課件

1、英語單數(shù)句變復(fù)數(shù)句,馬寨小學(xué) 曹秋霞,1,1、人稱代詞由單數(shù)變復(fù)數(shù),第一人稱：?jiǎn)螖?shù)（主格） I，復(fù)數(shù)we; 單數(shù)（賓格）me, 復(fù)數(shù)us; 第二人稱：?jiǎn)螐?fù)數(shù)，主賓格：全是you, 第三人稱：?jiǎn)螖?shù)（主格）he,she,it,復(fù)數(shù)：they； 單數(shù)（賓格）him,her,it,復(fù)數(shù)：them； 例如：She is a girl. 復(fù)數(shù)： They are girls. I like her. 復(fù)數(shù) We like them,2,2、指示代詞由單數(shù)變復(fù)數(shù),單數(shù)this, 復(fù)數(shù)these; 單數(shù)that， 復(fù)數(shù)those; 例如：This is a book. 復(fù)數(shù) These are (some)

2、books. 例如： Is that a pen? Are those (any) pens,3,3、物主代詞由單數(shù)變復(fù)數(shù),第一人稱：?jiǎn)螖?shù)（形容詞性物主代詞）my, 復(fù)數(shù)our; 單數(shù)（名詞性物主代詞）mine,復(fù)數(shù)ours 第二人稱：your;yours; 第三人稱：?jiǎn)螖?shù)（形容詞性物主代詞）his，her,its, 復(fù)數(shù)：their； 單數(shù)（名詞性物主代詞）his,hers,its,復(fù)數(shù)：theirs; 例如：The book is mine. The books are ours. 例如：This is her pen. These are their pens,4,4、一般情況下，形容詞

3、性物主代詞在單數(shù)句變復(fù)數(shù)句時(shí)不變,例如：This is my book. These are my books,5,5、當(dāng)句中形容詞性物主代詞與句中的主語一致時(shí)，形容詞性物主代詞應(yīng)隨主語人稱的變化而變化，仍要保持一致,例如：He likes his bike. They like their bikes,6,6、連系動(dòng)詞由單數(shù)變復(fù)數(shù)：is/am變成are,例如： I am a teacher. We are (some) teachers,7,7、a/an表示一個(gè)，只能用在單數(shù)名詞前，當(dāng)單數(shù)句變復(fù)數(shù)句時(shí)，一定要把a(bǔ)/an去掉，或改為some/any,例如：This is a book. The

4、se are (some) books. 例如：Is that a pen? Are those (any) pens,8,8、當(dāng)名詞作定語或在介詞短語中作介詞賓語充當(dāng)除賓語以外的其他成分時(shí)，該名詞不變,例如：He is a boy student. They are (some) boy students. (man 和 woman)除外。 例如：She is a woman worker. They are (some) women workers,9,9、單數(shù)句變?yōu)閺?fù)數(shù)句時(shí)，句式不能改變，即單數(shù)句是疑問句時(shí)，變?yōu)閺?fù)數(shù)時(shí)，仍然是疑問句,例如： Whats this? What are th

5、ese? 例如：She likes his bike. They like their bikes,10,單數(shù)句變復(fù)數(shù)句口訣,單數(shù)句子變復(fù)數(shù)，變化規(guī)則要記住。 名詞代詞要變化，am,is要變are。 this,that變成啥，these,those來替它。 he,she,it要變啥，全部變they不用怕 。 I 要變we 莫落下，名詞后面把s/es加。 名前冠詞去掉它，其余成分原樣加,11,將下列單數(shù)句變?yōu)閺?fù)數(shù)句,1.This is a book. 2. Is that a pen? 3. She is a girl. 4. I like her. 5. The book is mine. 6

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,These are some books,Are those any pens,They are girls,We like them,The books are ours,These are their pens,We are teachers,They are boy students,They are some women workers,They like their b

7、ikes,12,將下列復(fù)數(shù)句變?yōu)閱螖?shù)句,1.What are these? 2.They like their bikes. 3.These are my books. 4.These are (some) books. 5.Are those (any) pens? 6.They are girls. 7.We like them. 8.These are (some) books. 9.Are those (any)pens? 10.They like my bikes,What is this,She likes her bike,This is my book,This is a bo