人教版八年级英语下册复习专练：句型转换及专练（含答案）

八年级下学期期末重难知识点串讲+精练

专题04句型转换及专练

（一）变否定句

1.be动词、助动词和情态动词后加动词变为形。

①MysisterJanedoescleaningonweekends.

MysisterJanecleaningonweekends.

②Thetwinswerehappytoseetheiruncle.

Thetwinstoseetheiruncle.

③Thedoctorcouldhelpthatman.

Thedoctorthatman.

2.如果肯定句中含有这些词，就要发生改变。

some—and—alotof\lotsof—

already—too/also—both...and...—

everything/everyone/everybody一//always---

①Cindytooksomephotosinthemountains.

Cindytakephotosinthemountains.

②Shecoulddanceandsingwhenshewasfiveyearsold.

Shedancesingwhenshewasfiveyearsold.

③Ihavealreadyfinishedmyhomework.

Ifinishedmyhomework.

3.否定转移的词有：think,_______________________

IthinkIcanpasstheexam.

IthinkIpasstheexam.

4.一些特殊结构，变否定时，在动词（或词组）后直接加o

MymothertoldmetowatchTVlastnight.

MymothertoldmewatchTVlastnight.

这样的词还有：

【专练】

1.BothLucyandLilyareindependent.（改为否定句）

LucynorLilyindependent.

2.Willhelookafterhisbrother?（改为被动句）

hisbrotherbyhim?

3.Jimworksashardasyou.（改为否定句）

Jimworkhardasyou.

4.Maryhasbeentomuseummanytimes.（改为否定句）

Marytomuseummanytimes.

5.You'dbettergotoseeyourfriendnow.（改为否定句）

Youhadgotoseyourfriendnow.

6.Lilyputonahatthismorning.（否定句）

Lilyonahatthismorning.

7.Hehasalreadyreadthebook.（改为否定句）

Hereadthebook.

8.BothMaryandLindahavebeentoParis.（改为否定句）

MaryLindahasbeentoParis.

9.He，salreadyfinishedhiswork.（改为否定句）

Hefinishedhiswork.

10.Ithinksheshouldbeallowedtodrive.（改为否定句）

Ithinkshebeallowedtodrive.

11.Couldyoupleaseopenthedoor?（改为否定句）

Couldyoupleasethedoor?

12.AllofushavebeentoMountTai.（改为否定句）

ofusbeentoMountTai.

13.SandywastalkingtoherfHends.（改为否定句）

Sandytoherfriends.

14.She^returnedfromtheUSA.（改成否定句）

ShefromtheUSA.

（二）变一般疑问句，作肯否回答

把be动词、助动词、情态动词置于句，动词变为形。否定回答注意要缩写。

①Iusedtobeafraidofdark.

youtobeafraidofdark?

②Therockband'salreadystartedplaying.

therockbandstartedplaying?

③Hewasreadinginthelibrarywhentherainstormcame.

heinthelibrarywhentherainstormcame.

④Therewillbemorecarsinthefuture.

_________________________bemorecarsinthefuture?

Yes,.

No,__________________________

【专练】

1.IwasplayingcomputergameswhenFathergothome.（改为一般疑问句）

computergameswhenFathergothome?

2.Hehaddinneratarestaurantyesterday.（改为一般疑问句）

hedinneratarestaurantyesterday?

3.Theoldmanhasrealizedthathehadtoomuchunhealthyfbod.（改为一般疑问句）

theoldmanthathehadtoomuchunhealthyfood?

4.Ihavehadhimforthreemonths.（改为一般疑问句）

youhimforthreemonths?

5.Ihavealreadycleanedtheroom.（改为一般疑问句）

youcleanedtheroom?

6.Tonyhasseenthefilm.（改为一般疑问句，并作否定回答）

-Tonythefilm?

-No,he.

7.Heputsomeyogurtintheblender.（改为一般疑问句）

heputyogurtintheblender?

8.TheBrownswerewatchingTVwhentheygotthephonecalllastnight.（改为一般疑问句）

theBrownsTVwhentheygotthephonecalllastnight?

（三）就划线部分提问

1.特殊疑问词知多少：

什么，做什么在哪里怎样为什么

谁谁的哪一个多久一次

多久以后多少个fcn.)多少个(un.)多少钱

多少岁多远多长时间、长度颜色

何时几点钟

2.先写疑问词，在把be动词、助动词或情态动词,动词变为形。

①LittleAliceisflyingakiteinthepark.

islittleAliceinthepark?

②Iwaslateforschoolbecausethstrafficwasverybusy.

____________________youlateforschool?

③Ihavepianolessonsthreetimeaweek.

doyouhavepianolessons?

【专练】

1.Thepopulationofourcityis6million.（对划线部分提问）

thepopulationofyourcity?

2.Heshouldgotothedoctorforteethcleaning.（对戈U线部分提问）

shouldhe?

3.TheoldmanhaslivedinJinanfbrmorethan50years.（就画线部分提问）

hastheoldmanlivedinJinan?

4.Peterhasworkedasateachersince1998.（对戈ij线部分提问）

hasPeterworkedasateacher?

5.Wewereplayingfootballat10o'clockyesterday.（对画线部分提问）

at10o567clockyesterday?

6.Theyaregoingtotakeacompasstofindtheirwayinmountainoreas.（对戈U线部分提问）

theygoingtotakeacompass?

7.IthinkTheAdventuresofRobinsonCrusoeisexciting.（对画线部分提问）

doyouTheAdventuresofRobinsonCrusoe?

8.Ihaveaheadache.（对画线部分提问）

_____________________________withyou?

9.KellyfeltsadbecauseshefhiledtheP.E.test（对划线部分提问）

didKellysad?

10.Thebridgeweighsover100,000tons.（对划线部分提问）

doesthebridgeweigh?

11.Theyhavebeenfriendssincetwoyearsago.（对画线部分提问）

havetheybeenfriends?

12.Qomolangmais8844.43metershigh.（就句子画线部分提问）

_________________isQomolangma?

13.Mybrotherreadthebooklastweek.（对画线部分提问）

yourbrotherthebook?

14.Iwaswashingsomeclothesatthistimeyesterday.（对画线部分提问）

wereyouatthistimeyesterday?

15.Youshouldcallthepoliceforhelpwhenyou'reindanger.（对划线部分提问）

IdowhenFmindanger?

（四）变反义疑问句

反义疑问句中，前半句为陈述句，后半句为简短的一般疑问句，改写时要注意：

1.前肯后否，前否后肯

2.人称、时态和数要保持一致

3.祈使句的反义疑问句是willyou?特殊：Lefs的反义疑问句是shall?

4.含有little,fbw,no,nothing,never,hardlyever,seldom等词时，反义疑问句要用肯定形式

①Aliceisasmartgirl,?

②Mr.Greenoftengoesforawalkafterdinner,?

③Heseldomplayssoccer,?

④Sheusedtobeshy,?

⑤Lefsplaybasketball,?

【专练】

1.JimmyseldommademistakesinhisEnglishtests.（改为反意疑问句）

JimmyseldommademistakesinhisEnglishtests,?

2.Hedidn'tsupposethattheywouldgivehimasurprise.（改为反义疑问句）

Hedidn'tsupposethattheywouldgivehimasurprise,?

3.Theyhardlyknoweachother.（改为反意疑问句）

Theyhardlyknoweachother,?

4.HefailedintheEnglishexamagain.（改为反意疑问句）

HefailedintheEnglishexamagain,?

5.Mike5sneverseensuchanamazingthing.（改为反意疑问句）

Mike'sneverseensuchanamazingthing,?

6.Lefsdiscusstheproblemafterthemeeting.（改为反意疑问句）

Lefsdiscusstheproblemafterthemeeting,?

7.Thereishardlyanyfoodinthefridge.（改成反义疑问句）

Thereishardlyanyfoodinthefridge,?

8.Itisnotrighttodoexerciseimmediatelyafterafullmeal.（改为反意疑问句）

Itisnotrighttodoexerciseimmediatelyafterafullmeal,?

9.You'resupposedtotalkwithyourparents.（完成反意疑问句）

You'resupposedtotalkwithyourparents,?

10.Janenevergoestoschoolbybus,?（完成反意疑问句）

11.Thereislittlewaterintheglass,?（完成反意疑问句）

12.Robertusedtowearglasses.（改为一般疑问句）

Roberttowearglasses?

13.Youhaven'tseenthefilmyet,?（完成下列反意疑问句）

14.Mr.Fathasfewgoodfriends.（改为反意疑问句）

Mr.Fathasfewgoodfriends,?

15.Hehasneverbeenabroad.（改为反意疑问句）

Hehasneverbeenabroad,?

（五）变同义句

1.复合句变简单句

a.宾语从句变为特殊疑问词+

①Jack'sgrandmotherdoesn'tknowhowshecanusetheiPad.（2012年）

Jack'sgrandmotherdoesn'tknowhowtheiPad.

②CouldyoutellmehowIcangettothenearestsupermarket?（2013年）

Couldyoutellmetothenearestsupermarket?

③CanyoutellmehowIcangettothebank?

Canyoutellmegettothebank?

b.宾语从句变为v.+sbdoing

（4）Wenoticedthathewasstandingattheschoolgate.

Wenoticedattheschoolagte.

c.条件状语从句"Ifnot.…”可转化为“祈使句+or.…”或“unless...”

⑤Ifyoudon'treadtheexamquestionscarefully,you511makesomemistakes.

theexamquestionscarefully,you'llmakesomemistakes.

Youmakeanymistakesyoureadtheexamquestionscarefully.

d.so...that...=too...to...=（not）...enoughto...

⑥Theboxissoheavythatwecan'tcarryit.

Theboxisheavyforuscarryit.

⑦Thekidissoyoungthathecan'tgotoschool.

Thekidenoughtogotoschool.

e.because+句子变为becauseof+n.

®Wecouldn'tseeanythingbecauseitrainedhard.

Wecouldn'tseeanythingtheheavyrain.

2.简单句变复合句

a.inordertodo=sothat...

（4）Youcouldsavemoneyinordertobuyagiftforyourfriend9sbirthday.

Youcouldsavemoneyyoucanbuyagiftforyourfriend^birthday.

b.attheageoffour=Whenhewasfour

⑤LiYundibegantolearntheaccordionattheageoffour.（2008年）

LiYundibegantolearntheaccordionhefouryearsold.

C.变祈使句

⑥OurmathteacherMr.Smithtoldustobequietinclass.(2014年)

OurmathteacherMr.Smithsaidtous:“inclass.”

3.变感叹句

What+a/an+adj.+cn.+(主谓)！

What+adj.+un.+(主谓)！

How+adj./adv.+(the主+谓)!

①It'saveryinterestingstory.

interestingstoryitis!

②Thelittleboyisveryclever(2012年)

thelittleboyis!

③Theweatherisfine.

weatheritis!

4.so/neither的倒装

so有肯定含义，neither有否定含义，be动词、助动词和情态动词要置于主语的。

①Jimwantstogoboatingandhiscousinswanttogoboating,too.

Jimwantstogoboating,andhiscousins.

②Mr.WanghasbeentoSingapore?I'vebeenthere,too.

Mr.WanghasbeentoSingapore.I.

5.同义词组句型转换

高频考点：

(1)so...that...=too...to...=not...enoughto...

(2)favorite—like...best

(3)prefer=like...better

(4)take,spend,cost,pay

(6)it作形式主语或宾语

(7)ifnot...=祈使句，or...

(8)提建议：How/Whataboutdoing?=Whydon'tyoudo?=Whynotdo?=Wouldyouminddoing?=Would

youliketodo?=Couldyoupleasedo?=Shall1/wedo?=Lefsdo.=You'dbetterdo.

(9)after...=not...until

(10)haveagreattimedoing=havefundoing=enjoyoneselfdoing

(11)比较级、最高级(tallerthananyother...=thetallest)

(12)not...=withoutdoing

(13)instead=insteadof

(14)unless=ifnot...

(15)attheageof4=whenhewas4

(16)nothing=not...anything

(17)问感受、评价Howyoulike...?=Whatdoyouthinkof...?=Howdoyoufeelabout...?

(18)refuse=turndown

(19)notthesameas=bedifferentfrom

(20)begoodat=dowellin

(21)thanksto=becauseof

(22)besimilarto=looklike=takeafter

(23)borrow...from...=lend...to...

(24)makesbhappy=cheersbup

(25)inordertodo=sothat...

(26)alone=byoneself

(27)thinkup=comeupwith

(28)not...anylonger=nolonger...

(29)try/doone'sbesttodo=gooutofone'swaytodo=makeanefforttodo

(30)Whafsthematter?=Whafswrong?

【专练】

1.MysisterteachesherselfEnglish.(改为同义句)

MysisterlearnsEnglish.

2.Theyneedn'tsweepthesnowrightnow.(改为同义句)

forthemtosweepthesnowrightnow.

3.Heistooyoungtoattendschool.(改为同义句)

Heisattendschool.

4.Shesingsbestinherclass.（同义句转换）

Shesingsbetterthanstudentinherclass.

5.HisfatherjoinedthePartytwoyearsago.（同义句转换）

HisfatheramemberofthePartyfortwoyears.

6.IttookMikehalfanhourtoworkouttheproblem.（改为同义句）

Mikehalfanhourouttheproblem.

7.Wehavestudiedatthisschoolforthreeyears.（改为同义句）

threeyearssincewetostudyatthisschool.

8.Theyaskedthei