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一、分别给下题做出肯定和否定回答
1、Is thisyour shirt肯定否定
2、Is thatmy jacket肯定否定
3、Is ita cat肯定否定
4、Are theseyour pants肯定:
1.It isa lovelydog._________________________________
2.She islovely girl._________________________________
3.He ismy father._________________________________，
4.They areLily scousins._____________________________
5.We areclassmates._______________________________
6.I am a doctor.__________________________________
7.There isa birdin the tree.
8.There aremany starsin the sky.
9.They aregood friends,_______________________________
1..1love myparents.________________________________
2..1play computergames everynight.
12.There aremany bookson theshelf.
13.There is an ostrichin thezoo.
14.We have a pleasanthome.____________________________
15.We like to climbthe mountain.
16.They go to churchon Sunday.
17.They walkto schoolevery morning.
18.It isa beautifulpark._________________________
19.It isa bigmap._________________________
20.You area singer._________________________
三、用do doesbe填空1she knowall theanswersYes,she.No,she2the twinsoften fightYes,do.No,don t.3your dadlike listening to musicYes,does.No,doesn7t.4uncle Tomwash hiscar everydayYes,does.No,doesn t.5you have a newteacher Yes,I.No,I.6she a teacher Yes,she.No she.z7you playingball nowYes,I.No,I.8the piglike to sleep Yes,it.No,it.9five birdsflying in theskyYes,they.No,aren t.10your fathersmoking in the livingroom Yes,is.No,he.将下列句子改成一般疑问句并做肯定回答和否定回答
1.It isa lovelydogYes,Noz
2.She islovely girl._________________________________
3.He ismy father.__________Yes,Noz
4.They areLily scousins._Yes,No,
5.We areclassmates._______Yes,No,
1.1amadoctor.___________Yes,No,
7.There isa birdin thetree._Yes,Noz
8.There aremany starsin thesky.
9.They aregood friends._____________Yes,No,
1..1love myparents._______________Yes,No,
2..1play computergames everynight.Yes,No,
12.There aremany bookson theshelf.Yes,Noz
13.There wasan ostrichin thezoo.Yes,Noz
14.We havea pleasanthome.小学英语所有句型转换的方法基本助动词只有三个be,do,have,他们没有词汇意义，只有语法作用，如协助构成进行体，完成体，被动态，否定句，疑问句等
一、肯定句改否定句的方法——一步法
1、在be动词后力口not如:is not,are not,am not,was not,were not;o
2、在can等后力口not如:cannotoz
3、上述都没有的,在动词前加助动词否定形式do notdoes not.（don7t/doesn1t）z
4、some改成any
二、肯定句改一般疑问句的方法——三步法（L把be动词放在句首,剩下的照抄，some改成any,my改成your等）句点改成问号（
2、把can,等放到句首，剩下的照抄，some改成any,my改成your等）句点改成问号例如陈述句:They arein the park.He canplay theguitar..一般疑问句Are theyin theparkCan heplay theguitar把下列句子变成一般疑问句
1.1am listening to music.
2.Mike isa student.
3.Sarah canlean the classroom.
4.They arein thezoo.
5.There aresome flowersin thevase.
6.This ismy sister.
7.We aresweeping thefloor.（
3、上述都没有的，在句首请助动词Do/Does帮忙，剩下的照抄，some改成any,my改成your等）句点改成问号例如陈述句:I like the ducks.He likesthe dogs.一般疑问句Do youlike theducksDoes helikethedogs把下列句子改为一般疑问句
1.We needsome masks._______________
2.They likemaking thepuppet.
3.Su Haiand SuYang livein a new house.
4.1put a book onmy head.〃
5.They singIn theclassroom together.
6.We playbasketball onSundays.
7.Tom likeslisteningtomusic肯定句改否定句的方法——一步法
8.在be动词后力口not如:is not,are not,am not,was not,were not;o例如He isin theclassroom.改为否定句He isnot isn t in theclassroom.
9.在can,should,will等后力口not如:can not,should not,will not;o例如Mike cansing English songs.改为否定句Mike cannotcan7t singEnglishsongs.台定
5、Are theseher shoesJ-tr-1-!目ZE否定
6、Are theyducks肯定否定7Can Iwear myT-shirt S肯定否定
8、Do you havealibrary肯定:
3、上述都没有的，在动词前加助动词否定形式don,t/doesn7t/didn,to（例如I likepizza.改为否定句）I dont likepizza.
4、句中有some的要改成any例如（There aresome bookson the desk.改为否定句）There arenot（aren7t）any bookson thedesk.二.实战演习把下列各句改为否定句
1.John iswalking inthepark.____________________________
2.Tom andMarry arefriends.____________________________3F ma student.______________________________
3.She willgo toBeijing tomorrow,
5.We getthere bybike.
6.He likesapples.____________________________
7.There aresome flowersinthepicture.
8.1often playfootball withmy friend.
9.We arefrom China.___________________________lO.They cango to school byferry.
1、He ismy father.He myfather.
2、r dlike a pie.I likeapie.
3、This isa book.This abook.
4、Tim andTom havetwo robots.Tim andTom havetwo robots.
5、Those arehis robots.Those hisrobots.
6、Sam canswim.Sam swim.
7、Stand up.________stand up.
8、These aremy crayons.These mycrayons.9There isa box on thedesk.SThere aboxonthedesk.I seea boat.
11、Tim wouldlike tosleep.Tim liketosleep.
12、I likeapples.I likeapples.综合练习
1、Inot hissister.
2、not cleanthe blackboard.
3、Inot haveabook.
4、Thesenot myrubbers.
5、The doornotopen.（）
6、not havea look.
7、I dlike anice cream.（改否定句）
8、She canskate.（改否定句）台定
9、Do youlike pears肯定否定
10、Can youjump肯定否定
11、Can thebird fly肯定否定
12、Can herun肯定:台定
13、Can sheswim肯定否定
14、Does sheteach English肯定否定
14、Does hego toschool bybike肯定否定
15、Are youa student肯定:
16、Did yougo hikingyesterday肯定:否定:
17、Can theyjump肯定:否定:
18、Is shelisteningtomusic肯定:否定:
19、Is hemaking akite肯定:告正
20、Is therea birdinthetree肯定否定
21、Are thereany flowersinthegarden肯定否定二.用do、does、be填空
1、uncle Tomwash hiscar everydayYes,does.No,doesn,t.、2youhaveanewteacher Yes,I.No I.z、3she ateacher Yes,she.No,she.、4you playingball nowYes,I.No I.z小结:否定回答:有beis,am,are的就be+not没有Be的就在主语的前面+do not或does not把肯定句改为疑问句就是有be的就把be提到前面来，没有be的就在句首加do或does Eg:I amateacher.——I am not ateacher.She likessinging.She doesnot likesinging.You areten.Are youtenThey get up at seven o clock.——Do theygetupatsevenoclock以be开头的一般问句用Yes Iam/No Tmnot...z根据主语回答Yes,he is./No heisnt.Are they/you/we lateYesfthey/you/we areNo,they/you/we arenot陈述句变一般疑问句练习
1.His fatherisanEnglish teacher
2.These catsare crying.
3.They canswim.
4.1liketoread English.
1.1gotoschool onfoot.
6.He likesEnglish.
7.His fathergoes towork bybus.
8.He iscrying under thetree.
9.His birthdayis onthe twentiethof November.
10.Mrs.Li andKitty arein abig shop.
11.Kitty iswearing hernew uniform.
12.The boyunderthetree ishungry.
13.He goestoschoolevery day.
15.1want tohaveamodel car.
16.She wantsa cupof coffee.
17.Mrs.Li andKitty watchtelevision atnight.
18.1do myhomework afterschool
二、将下列句子改成一般疑问句。
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