还剩2页未读,继续阅读
文本内容:
2019-2020年高中英语Unit5Lessons1-2Grammar-时间状语从句和让步状语从句讲练北师大版必修2【归纳】▼时间状语从句
1.when,while,as1when引导时间状语从句时表示“当……的时候”,强调“特定时间”,从句中既可用延续性动词也可用非延续性动词如I’llcallyouwhenIgetthere.Whenthewindblowsallthedoorsrattle.WhenIcamehomemywifewascookingdinner.2while引导时间状语从句时表示“在……期间”,其所表示的时间不是一点,而是一段,它强调主句的动作与从句的动作同时持续地进行,此时从句和主句中的谓语动词都必须是延续性动词;有时也可表示主句的动作发生在从句动作的进行过程中,此时主句中的谓语动词通常是非延续性动词如Studywhileyoustudy;playwhileyouplay.ImetherwhileIwasatschool.3as引导时间状语从句时表示“当……时,一边……一边……”,侧重强调“同一时间”或“一前一后”,表示两个动作同时发生(包括一个主语同时进行两个动作),或者一种动作随着另一种动作的变化而变化如Hejumpsashegoesalong.Asthewindrosethenoiseincreased.Asspringwarmsthegoodearthallflowersbegintobloom.
2.until/till在肯定句中表示“做某事直至某时”,主句动词必须是延续性的在否定句中表示“直至某时才做某事”主句动词可以是延续性的也可以是非延续性的如肯定句WaittillIcallyou.否定句Shedidn’tarriveuntiltheshowbegan.
3.表示“一……就……”的结构assoonas和hardly...whennosooner...than都可以表示“一……就……”如AssoonasIgothomeitbegantorain.=Ihadhardlygothomewhenitbegantorain.=Ihadnosoonergothomethanitbegantorain.
4.since/eversincesince/eversince表示“自从……以来”,当since/eversince引导时间状语从句时,主句多用现在完成时或现在完成进行时如Theyhavebeenfriendseversincetheywereinprimaryschool.WhathaveyoubeendoingsinceIlastsawyou
5.引导时间状语从句的单词或短语还有directlyimmediatelyafterbeforethemomentbythetime等如Immediatelyhearrivedhestartedtellinguswhattodo.Soonafterwejoinedthemotorwaythecarstartedtomakeastrangenoise.BeforewemakeadecisiondoesanyonewanttosayanythingelseHesaidhe’dphoneyouthemomenthegothome.Bythetimeyougettherethemeetingwillbeover.▼让步状语从句
1.thoughalthougheventhoughevenif都可表示“即使,虽然,尽管”,引导让步状语从句,主句中不用but,但可用yet/still等如Thoughheisveryoldyetheworksveryhard.Eventhoughheleftschoolat16hestillmanagedtobeePrimeMinister.
2.as和though都表示“尽管”,引导让步状语从句时必须用倒装,即将形容词、副词、名词或实义动词提到句首如Poorasheisheishappy.Exhaustedthoughshewastherewasnohopeofherbeingabletosleep.
3.while表示“尽管”,可引导让步状语从句,但一般要位于句首如WhileIlikethecolorIdon’tliketheshape.
4.whether...or...表示“不管……还是……”,引导让步状语从句如Whetheryoubelieveitornotitistrue.
5.“nomatter+疑问词”或“疑问词+ever”也可引导让步状语从句如Nomatterwhathappenedhewouldnotmind.=Whateverhappenedhewouldnotmind.【即学即练】I.翻译下面句子
1.她得了头奖虽然这件事我们都没想到_________________________________________________
2.他做功课的时候睡着了_________________________________________________
3.我不到你不能离开_________________________________________________
4.斯蒂芬到那儿时,音乐会已经开始了_________________________________________________
5.我摔下楼梯后一直背疼_________________________________________________
6.汤姆年龄越大显得越有魅力_________________________________________________
7.吉姆大学一毕业就会去父亲的公司工作_________________________________________________
8.进教室前鲍勃关了手机_________________________________________________
9.不管谁来都别开门_________________________________________________II.选用方框内合适的词填空(每个词限用一次)asthoughbeforewhenwhoever
1.Johnthinksitwon’tbelong________heisreadyforhisnewjob.
2.Itwasanicemeal________alittleexpensive.
3.Toshowourrespectweusuallyhavetotakeourglovesoff________wearetoshakehandswith.
4.It’smucheasiertomakefriends________youhavesimilarinterests.
5.Try________shemightSuecouldn’tgetthedooropen. 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项
1._____smallthepanyhasabout1000buyersinover30countries. 天津xxA.As B.If C.Although D.Once
2.Theypromisedtodevelopasoftwarepackagebytheendofthisyear_____theymighthave.上海xxA.howeverdifficult B.howdifficultC.whateverdifficulty D.whatdifficulty
3.Heissobusy.Hecannotaffordenoughtimewithhisson_____hewantsto.四川xxA.evenif B.asif C.because D.before
4.Intheglobaleconomyanewdrugforcancer_____itisdiscoveredwillcreatemanyeconomicpossibilitiesaroundtheworld.江苏xxA.whatever B.whoever C.wherever D.whichever
5._____IhavetogiveaspeechIgetextremelynervousbeforeIstart. 山东xxA.Whatever B.Whenever C.Whoever D.However
6.Asisreporteditis100years_____QinghuaUniversitywasfounded.四川2011A.when B.beforeC.after D.since
7.Hehadnosoonerfinishedhisspeech_____thestudentsstartedcheering.辽宁2011A.since B.as C.when D.than
8.Pleasecallmysecretarytoarrangeameetingthisafternoonor_____itisconvenienttoyou.江西2011A.whenever B.howeverC.whichever D.wherever
9.Justusethisroomforthetimebeingandwe’llofferyoualargerone_____itbeesavailable.安徽xxA.assoonas B.unlessC.asfaras D.until
10.Becauseoftheheavytrafficitwasalreadytimeforlunchbreak_____shegottoheroffice.四川xxA.since B.that C.when D.untilKEY GRAMMAR【即学即练】I.
1.Shewonfirstprizethoughnoneofushadexpectedit.
2.Hefellasleepwhilehewasdoinghishomework.
3.Don’tleavetillIarrive.
4.TheconcerthadalreadystartedbythetimeStevegotthere.
5.I’vebeengettingthesepainsinmybacksinceIfelldownthestairs.
6.Tomgetsmoreattractiveashegetsolder.
7.Jimwillstartworkinginhisfather’spanyassoonashegraduatesfromcollege.
8.BeforeheenteredtheclassroomBobturnedoffhismobilephone.
9.Don’topenthedoornomatterwhoes.II.
1.before
2.though
3.whoever
4.when
5.as III.1-5CCACB6-10DDAAC。