單數(shù)句變復(fù)數(shù)句

1、單數(shù)句變復(fù)數(shù)句歌謠：單數(shù)句變復(fù)數(shù)句單數(shù)句變復(fù)數(shù)句，代詞四變要記住人稱，指示，反身變物主代詞看一看 連系動詞am is 變成are。冠詞a an要去掉，改為some,any也可以。名詞做定語，介賓不要變；有man和woman也例外。句式不要變，十全十美題做完1人稱代詞由單數(shù)變復(fù)數(shù)：主格Iweyouyouhe/she/itthey賓格meusyouyouhim/her/itthem例 1 She is a girl . They are girls .These are （ some）books .Are those （ any） pens ？例 2 Is that a pen ?例 2 I li

2、ke her. We like them.2指示代詞由單數(shù)變復(fù)數(shù)：單數(shù)復(fù)數(shù)thisthesethatthose例 1 This is a book .3反身代詞:第一人稱myselfourselves第二人稱yourselfyourselves第三人稱himselfthemselves（herself, itself ）例 1 I am teachi ng myself computer.We are teach ing ourself computer.例 2 The child himself draws this picture.The childre n themselves draw

3、 these pictures.4物主代詞由單數(shù)變復(fù)數(shù)：1 名詞性物主代詞 : mine ours , yours yours , his/hers/its theirs2 形容詞性物主代詞：my our , your your , his/her/its their例 1 The book is mi ne. The books are ours.例 2 This is her pen. These are their pens.5 一般情況下，形容詞性物主代詞在單數(shù)句變復(fù)數(shù)句時不變 。例 1 This is my book . These are my books .6當句中形容詞性物主代

4、詞與句中的主語一致時，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 1 He likes his bike. They like their bikes.7連系動詞由單數(shù)變復(fù)數(shù) ：is/am are例 1 I am a teacher. We are （ some） teachers.8 a/an表示一個，只能用在單數(shù)名詞前，當單數(shù)句變復(fù)數(shù)句時，一定要把 a/an 去掉，或改為 some/any。例 1 This is a book .These are （ some）books .例 2 Is that a pen ?Are those （ any） pens ？9當名詞作定語

5、或在介詞短語中作介詞賓語充當除賓語以外的其它成分時，該名詞不變。例 1 He is a boy student .They are （ some）boy students.（man 和 woman） 除夕卜。例 2 She is a woman worker.They are （some） women workers.10單數(shù)句變?yōu)閺?fù)數(shù)句時，句式不能改變，即單數(shù)句是疑問句時，變?yōu)閺?fù)數(shù)句時，仍然是疑問句。例 1 What s this Wh?t are these ?例 2 She likes his bike. They like their bikes.可數(shù)名詞的復(fù)數(shù)形式的部分規(guī)則1 一般情

6、況加s，結(jié)尾是清輔音讀s，結(jié)尾是濁輔音或元音讀z。sports;例：friend friends; cat cats; style styles; sportpiece pieces2以s、x、ch、sh結(jié)尾的詞，在該詞末尾加上后輟-es構(gòu)成復(fù)數(shù)。讀iz。例:bus buses; quiz quizzes; fox foxes;match matches; flash flashes3以輔音字母+y結(jié)尾的名詞，將y改變?yōu)閕，再加-es。讀z。例:candy can dies; daisy daisies; fairy fairies;lady ladies; story stories4以-o

7、結(jié)尾的名詞，有生命的加-es，無生命的加-s構(gòu)成復(fù)數(shù)。讀z例：tomato f tomatoes; potatof potatoes;torpedof torpedoes;bingof bing有e生命)例:silo f silos; pianof pianos;photo f photos; macro f maC無生命 05以-f或-fe結(jié)尾的名詞,多為將-f或-fe改變?yōu)?ves ,但有例外。讀音變化：尾音f改讀vz。例: knifef knives; lifef lives; leaf f leaves; stafff staves;scarf f scarves 例:roof f r

8、oofs6 以-ce se ze (d) ge等結(jié)尾的名詞,加-s,讀z。例 price prices case cases orange oranges名詞的不規(guī)則變化：manf men; woman f women; child f children; peoplef people;fishf fish; sheep f sheep; deer f deer; foot f feet;mouse f mice; tooth f teeth;單數(shù)句變復(fù)數(shù)句精煉將下列單數(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

9、like her.5 The book is mine.6 This is her pen.7 I am a teacher.8 He is a boy stude nt .9 She is a woma n worker.10 He likes his bike.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 a

10、re (some ) books .9 Are those (any) pens ?10They like my bikes.將下列名詞變?yōu)閺?fù)數(shù)形式單數(shù)句變復(fù)數(shù)句精煉答案將下列單數(shù)句變?yōu)閺?fù)數(shù)句1 These are (some) books .2 Are those (any) pens ?3 They are girls .4 We like them.5 The books are ours.6 These are their pens.7 We are (some) teachers.8 They are (some ) boy students.9 They are (some ) women workers.10 They like their bikes.將下列復(fù)數(shù)句變?yōu)閱螖?shù)句1 What is this ?2 He likes his bike3 This is my book .4 This is a book .5 Is that a pen ?6 She is a girl .7 I like her.8 Thi