不定式叢振滋演示文稿

動(dòng)詞不定式：煙臺(tái)工貿(mào)學(xué)校叢振滋1.動(dòng)詞不定式的構(gòu)成：“to+動(dòng)詞原形”

例：tostudyhard2.不定式?jīng)]有人稱(chēng)和數(shù)的變化，可在句中作主語(yǔ)、賓語(yǔ)、賓補(bǔ)、表語(yǔ)、定語(yǔ)、狀語(yǔ)一、做主語(yǔ):1.不定式做主語(yǔ)，謂語(yǔ)動(dòng)詞用單數(shù)形式。

Tohelpothersisapleasantthing.Tomasteraforeignlanguageisveryimportant.2.不定式作主語(yǔ)，有時(shí)為避免頭重腳輕，常用it做形式主語(yǔ)，而把不定式放在句末。

It’sourdutytotakegoodcareoftheold.Ittookusthreehourstogetthere.3.動(dòng)詞不定式的復(fù)合結(jié)構(gòu)：即不定式的邏輯主語(yǔ)①I(mǎi)tis+adj.(表示事物或行為的特點(diǎn)、性質(zhì)，如difficult,easy,hard,important,impossiblenecessary)+forsb.todosth.句型

It’simportantforustolearnEnglishwell.

It’sgoodforyoutotakeexerciseeveryday.②Itis+adj.(表示人的品格或特點(diǎn)，如carelesscleverfoolishhonestkindlazynicerightsillystupidrudepoliteimpolitebraveselfish)+ofsb.todosth.It’sverykindofyoutohelpmewithmywork.Itistooimpoliteofyoutospeaktotheteacherlikethis.二、做賓語(yǔ)

1.不定式作賓語(yǔ)，常放在某些動(dòng)詞之后：wantdecidefailwishexpectpretendchooserefusehopeaskmanageofferlearn等

IwanttogotocollegeafterIfinishschool.Hepretendednottohaveseenme.Ihopetohearfromyousoon..2.動(dòng)詞不定式作賓語(yǔ)時(shí)，如果還帶有賓語(yǔ)補(bǔ)足語(yǔ)，往往把動(dòng)詞不定式放在賓補(bǔ)之后，而用it作形式賓語(yǔ)。句型：主語(yǔ)+find(s)/feel(s)/think(s)/make(s)/believe(s)/consider(s)等+it+adj./n.+todosth.Ifinditdifficulttobelievehim.Ifeelitanhonortobeyourpupil.3.一些動(dòng)詞后面既可接不定式又可接動(dòng)詞的-ing形式作賓語(yǔ),但意思不一樣stoptodosth停下來(lái)去做另外一件事，stopdoingsth停止正在做的事remembertodosth記住要做某事(未做)，rememberdoingsth記得做過(guò)某事(已做)goontodosth接著做另一件事，goondoingsth繼續(xù)做同一件事forgettodosth忘了做某事(事還未做)，forgetdoingsth忘了曾做過(guò)某事＂(事已做)

三、做賓補(bǔ)帶to的不定式作賓補(bǔ)

Myteachertoldmetotakenotesinclass.Motherremindedmenottomakefriendsontheinternet.2.在下列感官動(dòng)詞和使役動(dòng)詞之后，賓補(bǔ)不帶to【一感（feel）二聽(tīng)（hear,listento）三讓?zhuān)╨et,have,make）四看（see,watch,lookat,notice）】Isawhimplayinthepark.Iheardherlockthedoor.

這類(lèi)動(dòng)詞變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí)，不定式前要加toAchildwasseentoenterthebuildingShewasoftenheardtosingthissong.3.help后接動(dòng)詞不定式做賓補(bǔ)，to可帶可不帶。Theycanhelpyou(to)learnEnglish.四、做表語(yǔ)：放在系動(dòng)詞be,seem等之后。1.說(shuō)明主語(yǔ)的具體內(nèi)容

Herwishistobecomeadoctorinthefuture.

Mytaskseemstobeveryeasy.

2.表其他,如:目的。Thiswallistokeeppeopleoutofthegarden.五、做定語(yǔ)：動(dòng)詞不定式作定語(yǔ)，一般做后置定語(yǔ)Thenextpersontospeakisourmathteacher.1.中心名詞被形容詞最高級(jí)、序數(shù)詞修飾時(shí)，用動(dòng)詞不定式（短語(yǔ)）作定語(yǔ)

Heisalwaysthefirsttocomeandthelasttoleave.Thisisthebestarticletoappearinthenewspaperthisyear.2.動(dòng)詞不定式常用來(lái)修飾不定代詞或某些抽

象名詞，

Ihavesomethingtodo.

Herwishtobecomeanexcellentnursewillsooncometrue.注意：當(dāng)不定式動(dòng)詞是不及物動(dòng)詞時(shí)，應(yīng)在該動(dòng)詞后加上一個(gè)介詞。

Hehasanicepentowritewith.Theyhadonlyacoldroomtolivein.六,做狀語(yǔ)1.目的狀語(yǔ)：不定式做目的狀語(yǔ)，還可以使用inorderto或soasto

(soasto不能放在句首)Iamgoingouttodosomeshopping.IwenttoAmericainordertolearnEnglish.2.結(jié)果狀語(yǔ)：不定式做結(jié)果狀語(yǔ),還可以使用enoughto,too…to…,Thechildrenareoldenoughtotakecareofthemselves.Heistooyoungtogotoschool.3.原因狀語(yǔ)：不定式作原因狀語(yǔ)通常放在某些形容詞之后。如：sorry,glad,surprised,disappointed,excitedI'mgladtoseeyou.七：帶疑問(wèn)詞的不定式不定式和疑問(wèn)詞連用，可做主語(yǔ)、賓語(yǔ)和表語(yǔ)等Whenandwheretohavethepartyisnotknown.(主語(yǔ))Nooneknowshowtodoit?(Nooneknowswhattodonext?)（賓語(yǔ)）Theproblemiswheretogetacomputer.（表語(yǔ)）八：

動(dòng)詞不定式的否定形式：notto+動(dòng)詞原形

The

teacher

told

us

not

to

swim

in

thatriver.

It's

unfair

not

to

tell

us.

Goinquietlysoasnottowakethebaby√√√√九：不定式to的省略。感官動(dòng)詞和使役動(dòng)詞之后，賓補(bǔ)不帶to（已講）做簡(jiǎn)短回答或避免不必要的重復(fù)時(shí)，動(dòng)詞不定式常省略to后面的動(dòng)詞，只保留to---Wouldyouliketocometomyparty?---Yes,I’dliketo.(cometoyourparty)Marywantedtousemybike.,butIaskedhernotto.(usemybike)固定句型：whynotdo…?Willyoupleasedo…?hadbetterdo…wouldratherdo…thando…Prefertodo…ratherthando…“Mr.Zhang,you’dbetter____toomuchmeat.Youarealreadyoverweight,”saidthedoctor.A.nottoeatB.toeatC.noteatD.eat2.Wesawhim___thebuildingandgoupstairs.

A.toenterB.enterC.enteringD.entered3.Mymotheroftenasksme___early.A.getupB.gotupC.gettingupD.togetup4.“Don’talwaysmakehim___thisorthat.Heisalreadyabigboy,dear.”Mr.Bushsaidtohiswife.A.doB.todoC.doesD.did5.Theboywastoobusy__hisfatherlastterm.

A.tohearfromB.towritetoC.hearingfromD.writeto

√√√√√

6.Excuseme.Wouldyoupleasetellme___buyadigitalcamera?

A.whattoB.wheretoC.whatIcanD.wherecanI

7.Youmustbeverytired.Whynot____arest?

A.tostoptohaveB.tostophavingC.stoptohaveD.stophaving

8.Thereisgoing___anEnglishpartythiseveninginourschool.A.tobeB.tohaveC.havingD.being

9.Remember___yourhomeworkheretomorrow.

A.tobringB.totakeC.bringingD.taking

10.Theteacherwarnedhisstudents___onthethinice.

A.notskatingB.noskatingC.toskateD.nottoskate√√√√√

11.—Thelightintheofficeisstillon.—Oh,Iforgot____.A.turningitoffB.turnoffC.toturnitoffD.havingturneditoff12.Johnwasmade___thetruckforaweekasapunishment.

A.towashB.washingC.washD.tobewashing

13.It___forty-fiveminutes___therebybus.

A.cost;togetB.takes;gettingC.takes;togetD.takes;togetto

14.Heis