Grammar6

動(dòng)詞不定式虛擬語氣作業(yè)1．建議婦女自己決定是否墮胎。Itissuggestedthatwomenshoulddecidewhethertoabortornot.2．如果動(dòng)物實(shí)驗(yàn)被取消，人類將沒有辦法測(cè)試藥。

Ifanimaltestingwerecanceled,humanwouldhavenowaytotestmedicine.

3.如果毒品被合法化，吸毒者就會(huì)以為吸毒是沒問題的。Ifdrugswerelegalized,druguserswouldthinkthatdrug-takinghadnoproblem.4.政府不應(yīng)該為了增加稅收而讓賭博洽法化，這是必須的。Itisobligatorythatthegovernmentshouldnotlegalizegamblingtoincreaserevenue.5.反對(duì)者認(rèn)為，如果安裝更多的攝像頭，將會(huì)浪費(fèi)大量的公共資金。Opponentsbelievethatifmorecameraswereinstalled,alargenumberofpublicfundswouldbewasted.6.實(shí)行互聯(lián)網(wǎng)審查制度必須小心謹(jǐn)慎，以免侵犯公眾的隱私。Internetcensorshipshouldbecarriedoutcarefullysoasnottoviolatethepublicprivacy.7.社會(huì)和父母應(yīng)該聯(lián)合起來，防止孩子從網(wǎng)上接觸到不正當(dāng)材料，例如暴力色情等。Thesocietyandparentsshouldworktogethertopreventchildrenfromhavingaccesstoindecentmaterialssuchasviolenceandpornography.8.名人的生活必須受到監(jiān)控，因?yàn)樗麄儜?yīng)該注意自己的行為。Celebrities’lifemustbemonitoredbecausetheyshouldpayattentiontotheirbehaviors.9.槍支管理剝奪了市民保護(hù)自己家人和家園的權(quán)利。Guncontroldeprivescitizensoftheirrighttoprotecttheirfamiliesandhomes.10.通過社區(qū)服務(wù)，做錯(cuò)事的人會(huì)感到自己沒有被歧視或看不起。Throughcommunityservice,wrongdoerswillfeelthemselvesnotdiscriminatedandlookeddownupon.不定式“不一定時(shí)什么詞性的成分”可作名詞、形容詞、和副詞動(dòng)詞不定式-1.做主語：Totelecommute

usuallymeanstoworkathome.Tohaveafamilyfullofloveandcarehelpsoneenjoyhislifemore.

Itis+adj.+todoa.Itiseasiertospendmoneythantomakemoney.b.It’sbettertolovesomeoneyoucan’thavethantohavesomeoneyoucan’tlove.c.ItisimpossibleforustomasterEnglishinsuchashorttime.It+todo要掌握英語得花費(fèi)時(shí)間，付出努力。IttakestimeandefforttomasterEnglish.動(dòng)詞不定式-2.做賓語：1.動(dòng)詞+todoa.Ihopetoseeyouagain.b.Thiscompanyrefusedtocooperatewithus.

英文中常接動(dòng)詞不定式做賓語的動(dòng)詞

agree,begin,decide,forget,happen,hesitate,afford,manage,plan，promise,want,try,start,etc.Wehopetoreopentheshopinthenextfewmonths.WhenIfirstpointedthisouttoyou,youagreetoprovideabrand-newdinningset.Wemanagetoclimb32peaksthatwereover3000metershigh.動(dòng)詞不定式-3.做賓語補(bǔ)足語動(dòng)詞＋sbtodostha.Theydon’tallowpeopletosmokeinthetheater.b.Parentsalwaysexpecttheirchildrentobeheadandshouldersoverothers.

能用于此結(jié)構(gòu)的動(dòng)詞

advice,allow,ask,beg,believe,expect,force,get,help,intend,need,order,tell,remind,etc.動(dòng)詞不定式-4.做定語：比較：a.Ihavealettertowrite.b.Ineedapentowrite.c.Ineedsomepapertowrite.

不定式作定語一般與被修飾名詞有以下三種關(guān)系：

例句解釋Ihavealettertowrite.WritealetterIneedsomepaper

towriteon.WriteonsomepaperIneedapentowritewith.WritewithapenIneedsomepapertowrite.Ineedapentowrite.a.Shehasfourchildrentotakecareof.b.Ihadnoplacetolivein.c.IhavenopartnertospeakEnglishwith.主謂關(guān)系：被only,last,next,序數(shù)詞，最高級(jí)形容詞修飾的名詞常用不定式作定語．

a.Idon’tthinkheisthebestmantodothejob.b.ThenexttraintoarriveisfromNewYork.動(dòng)詞不定式-5.做狀語１.作目的狀語

a.Wehadbetterstartearlytocatchthetrain.b.Iwenttothepostofficetomailaletter.

＊也可用inordertodo或soastodo強(qiáng)調(diào)目的狀語．

a.Wehadbetterstartearlysoastocatchthetrain.2.作結(jié)果狀語:１.Onlytodo….引出意想不到或不愉快的結(jié)果．

a.Wehurriedtotherailwaystation,Onlytofindthetrainhadjustleft.b.Alltoooften,womencomplainthatthey’reeducatedasequals,onlyto

gooutintotheworkforcetobetreatedasinferiors.2.so…asto,suchasto

a.Herstoryissuchastoarouseoursympathy.b.Shelookssobeautifulastoattractallofus.3.enough…to

a.Heisnotoldenoughtogotoschool.b.Theteacherspeaksloudlyenoughtomakehimselfheardclearly.4.too…toa.Theboxistooheavyformetomove.b.Theteaistoohottodrink.３.用作條件狀語:當(dāng)不定式表示條件時(shí)，句子謂語通常含有助動(dòng)詞，如：will,would,shall,should,must,can,could等．

a.Youwouldbestupidnottoaskforaraise.b.Onemustbeoutofhismindtodosuchathing.用作獨(dú)立成分動(dòng)詞不定式可用作獨(dú)立成分，用來修飾整個(gè)句子，常見的有：

tobeginwith,to