do-does的用法和練習(xí)題;

1、助動詞do,does的用法 do用于當主語是第一人稱i,第二人稱you及復(fù)數(shù)時（復(fù)數(shù)包括we,they,these,those及兩個以上的人或者事物。does用于當主語是第三人稱單數(shù)時（第三人稱包括she,he,it,this,that,單獨的事物或者人名等）。含有實義動詞的句型結(jié)構(gòu)變換一、肯定陳述句1當主語是i，you及復(fù)數(shù)時，謂語動詞用原型。 eg.iknowit.（eg.表示例如的意思） theyhavetwovolleyballs. tinaandtomlikeicecream.2. 當主語是第三人稱單數(shù)時（第三人稱包括she,he,it,this,that,單獨的事物或者人名等）。謂

2、語動詞要變?yōu)榈谌朔Q單數(shù)形式。p98特別要注意havehaseg.shehasasetofkeys. heknowsmyname. tomneedsacomputergame.二、肯定陳述句變換成否定陳述句1當主語是i，you及復(fù)數(shù)時，在謂語動詞前加donot=dont eg.idontknowit.theydonthavetwovolleyballs. tinaandtomdontlikeicecream.2.當主語是第三人稱單數(shù)時,在謂語動詞前加doesnot=doesnt,謂語動詞打回原型eg.shedoesnthaveasetofkeys. hedoesntknowmyname.tom

3、doesntneedacomputergame.3、 肯定陳述句變換成一般疑問句采用“一加二變?nèi)龁柼枴薄?一加：l當主語是i，you及復(fù)數(shù)時，在句子開頭加do;l當主語是第三人稱單數(shù)時（第三人稱包括she,he,it,this,that,單獨的事物或者人名等）,在句子開頭加does; 二變：l變大小寫;l第一人稱變?yōu)榈诙朔Q（i/we變?yōu)閥ou,my/our變?yōu)閥our）；l當主語是第三人稱單數(shù)時,謂語動詞要打回原型。三問號： 在句末加問號?？隙ɑ卮穑粂es,主語+do/does.否定回答：no,主語+dont/doesnt.(主語要用相應(yīng)的人稱代詞主格)eg.doyouknowit? yes

4、,ido./no,idont.dotheyhavetwovolleyballs? yes,theydo./no,theydont.do tinaand tomlikeicecream? yes,theydo. / no,theydont.doesshehaveasetofkeys? yes,shedoes./no,shedoesnt.doesheknowyourname? yes,hedoes./no,hedoesnt.doestomneedacomputergame? yes,hedoes./no,hedoesnt.四、肯定陳述句變換成特殊疑問句（對畫線部分提問）特殊疑問詞+一般疑問句？（去

5、掉畫線部分）eg.theyhavetwovolleyballs.-whatdotheyhave? heknowsmyname.-whatdoesheknow?練習(xí)一找朋友。do does he i she we it you they jack and tom a dog 二選詞填空。1. do/does_ he watch tv at night? yes, he . 2. do/does_ you go to school everyday? no, i .3. do/does_ jack and peter like apples?4. do/does_ tina go swimming

6、 on sunday?5. do/does_they play football? yes, they _ _do/does6. do/does_ we have a good teacher? yes, we _ _do/does7. do/does_ they jump rope ? no, they _ _do not/does not.8. do/does_your dog walk in the zoo?9. do/does_ i have a big nose? no, you _do not/does not10. do/does_ your cats eat fish? yes

7、, they _.do/does.11. do/does_ their mothers go shopping? no, they _do not/does not.12. i _do not/ does not speak japanese. do/does _you speak japanese?三、改錯。1、the dog have a long tail. ( ) _a b c2、his father and mother has a son. ( ) _a b c 3、the u.k.s flag have stars and stripes. ( ) _ a b c4、tom ha

8、ve a big truck. ( ) _a b c5、beijing have the palace museum. ( ) _ a b c四、 把下列句子改為否定句。1. i have many friends. 2. her father has two brothers. 3. he has a computer. 4. my cousin has a good friend. 5. he has three pens. 6. tom has a kite. 7. my teachers have nice pictures. 8. his father has a green car

9、. 9. jim has a happy family. 10. jenny has a cup of tea. 五、 把下列句子改為一般疑問句，并作出否定回答。1. they have sandwiches. 2. the school has many trees. 3. she has lovely dogs. 4. jenny has a brother. 5. they have two bananas. 6. the girl has a big hat. 7. the woman has two babies. 8. kates mother has a pair of glas

10、ses. 9. we have a nice model plane. 10. tom and jim have red shirts. 用have, has填空。1. i _ some red ink.2. his father an old car.3. you _ two big eyes.4. their parents many friends.5. my sister _ a nice skirt.6. the nurses _ white clothes.7. he and she _ some bananas.8. look, the boy _ some apples.9. our school twelve classroom.10. the students many books.11. her sister a new bike.12. their teacher some nice pictures.13. your mother_a new bike.14. li mings mother_big eyes.15. jenny and danny