9.动词不定式作目的状语-&-结果状语从句

动词不定式作目的状语&结果状语从句一、动词不定式作目的状语1．不定式作目的状语，可以置于句首或句末，置于句首时通常用逗号与其他部分隔开。SheisworkinghardtolearnEnglishwell.为了学好英语她正努力学习。Tocatchtheearlybus，hegotupearly.为了赶上早班车，他起得很早。2．不定式短语的否定形式应该在不定式符号to前面加not。Let'shurrysoasnottobelateforschool.我们快点以便上课不会迟到。Shestudiedveryhardinordernottofallbehind.她学习很努力以便不落在别人后面。3．inorderto引导的目的状语，可以放在句首，也可以放在句末；但soasto引导的目的状语，只能置于句末，而不能置于句首。Theystartedearlyinordertogetthereintime.(正)Inordertogetthereintime，theystartedearly.(正)Theystartedearlysoastogetthereintime.(正)Soastogetthereintime，theystartedearly.(误)他们早些出发是为了及时到达那里。4．不定式作目的状语时，通常句子的主语就是它的逻辑主语。但如果不是的话，就要用for...结构表示逻辑主语。(1)Todrawmapsproperly，youneedaspecialpen.(正)Todrawmapsproperly，aspecialpenisneeded.(误)为了正确地画地图，你需要一支特殊的笔。(2)Hespokeslowlyforustofollowhim.他说得很慢为的是让我们跟上他。[即时跟踪1](1)用所给动词的正确形式填空①MoreTVprograms，accordingtogovernmentofficials，willbeproduced________(raise)people'sconcernoverfoodsafety.②Mybrothermadeabigbamboobox________(keep)thelittlesickbirdtillitcouldfly.③WithFather'sDayaroundthecorner，Ihavetakensomemoneyoutofthebank________(buy)presentsformydad.④_____________(complete)theprojectintime，wewereworkingatweekends.⑤—Canyouhandinyourcompositiontomorrow?—Sure._______(get)ithandedinontime，I'llstayuptonight.(2)判断正(T)误(F)①A．ToseeJohnoffattheairport，Sallyfinishedherworkearlier.()B．SeeingJohnoffattheairport，Sallyfinishedherworkearlier.()②A．SoastoimprovemyspokenEnglish，Ioftentalkwithforeignfriends.()B．InordertoimprovemyspokenEnglish，Ioftentalkwithforeignfriends.()C．IoftentalkwithforeignfriendssoastoimprovemyspokenEnglish.()③A．Inordertomakeourcitygreen，itisnecessarytohaveplantedmoretrees.()B．Inordertomakeourcitygreen，manymoretreesneedtoplant.()C．Inordertomakeourcitygreen，ourcityneedsmoretrees.()D．Inordertomakeourcitygreen，wemustplantmoretrees.()二、结果状语从句1．so...that...和such...that...引导结果状语从句，意为“如此……以至于……”。(1)so＋adj./adv.＋that...Shewassoexcitedthatshecouldn'tsayanything.她是如此激动以至于说不出话来。Theyplayedsohappilythattheyforgotthetime.他们玩得如此愉快以至于忘了时间。(2)so＋adj.＋a/an＋单数名词＋that...Heissogoodaboythatwealllikehim.他是如此好的一个男孩以至于我们都喜欢他。(3)so＋many/few＋复数名词数量少＋不可数名词＋that...ThereweresomanyinterestingbooksthatIdidn'tknowwhichtochoose.有那么多有趣的书，我不知道该选哪本了。IhavesolittlemoneythatIhavetofindanotherjob.我的钱如此少以至于我不得不再找份工作。(4)such＋a/an＋adj.＋单数名词＋that...ThisissuchaninterestingbookthatIliketoreadit.这是一本如此有趣的书以至于我很喜欢读它。(5)such＋adj.＋复数名词/不可数名词＋that...TheyaresuchinterestingfilmsthatIwanttoseethemonceagain.这些电影太有趣了，我想再看一次。Thereweresuchalotofpeopleinthestreetthathecouldn'tgetthrough.街上有如此多的人以至于他根本过不去。PS:当“so...that...”句式中的so及其修饰的形容词、副词一起置于句首时，主句要用部分倒装。Soloudlydidhespeakthateveryonecouldhearhimclearly.他讲话声音很大，每个人都能听清楚。2．sothat既可引导目的状语从句，又可引导结果状语从句。引导目的状语从句时，相当于inorderthat，且从句中要有may，might，can，could，would等情态动词。Hegotupearlysothathecouldgettoschoolontime.他起得很早以便他能准时到达学校。Hegotupearly，sothathegottoschoolontime.他起得很早，结果他准时到达了学校。[即时跟踪2]句型转换(1)Itissodifficultataskthatmanypeoplecannotfinishitontime.Itis____________taskthatmanypeoplecannotfinishitontime.(2)Studentsshouldtakenotessoastomakerevisionseasier.①__________makerevisionseasier，studentsshouldtakenotes.②Studentsshouldtakenotes______theycanmakerevisionseasier.(3)Shedecidedtoworkharder.Shewantedtocatchupwithothers.Shedecidedtoworkharder___________________catchupwithothers.(4)Let'shurry，orwe'llbelateforthemeeting.Let'shurry_________________________belateforthemeeting.(5)Hetrainedeverydayinordertoimprovehisperformance.Hetrainedeveryday______hecouldimprovehisperformance.巩固训练：Ⅰ.单句语法填空1．_________(make)iteasiertogetintouchwithus，you'dbetterkeepthiscardathand.2.Skilledworkersalsocombinevarioushardwoodsandmetal_________(create)specialdesigns.3．SometimesIactasalisteningearforfellowstudents________(talk)overwhatisbotheringthem.4．_________(learn)moreaboutChineseculture，JackhasdecidedtotakeChinesefolkmusicasanelectivecourse.5．________(catch)theearlyflight,weorderedataxiinadvanceandgotupveryearly.6．Sincetheplantstookawhiletogrow，hestartedcuttingdowntrees______(sell)thewood.7．______(free)ourselvesfromthephysicalandmentaltensions，weeachneeddeepthoughtandinnerquietness.8．_________(work)outthedifficultmathsproblem，IhaveconsultedProfessorRussellseveraltimes.9．—Ihopetotakethecomputercourse.—Goodidea.________(find)outmoreaboutit，visitthiswebsite.10．Anxiously，shetookthedressoutofthepackageandtriediton，only______(find)itdidn'tfit.11．Groupactivitieswillbeorganizedafterclass_________(help)childrendevelopteamspirit.12．Cathyhadquitherjobwhenhersonwasborn______thatshecouldstayhomeandraiseherfamily.13．______(stay)warmatnight，Iwouldfillthewoodstove，thensetmyalarmclockformidnightsoIcouldrefillit.14．Istoppedthecar______(take)ashortbreakasIwasfeelingtired.Ⅱ.单句改错(每小题仅有1处错误)1．Helikeditsoverymuchthathequicklywalkedintotheshop.2．Imighthavetoretireagainnextyearjustgetsomemoreofthesebiscuits.