外研版英语必修二module5时间原因状语从句讲解解读课件

时间状语从句 由连词when while as assoonas before after till until等引导 主句用将来时 从句常用一般现在时表将来 主将从现 Iwilltellhimwhenhecomesback 1 连接词when while as的用法区别when while as这三个连词都可表示 当 的时候 使用时应注意 1 when可表示一个时间点 也可表示一个时间段 Whenhecamein wewerehavingsupper Whenwewerehavingsupper thelightsuddenlywentout 2 while则只表示一个时间段 它所引导的时间状语从句中的时态常用进行时态 When Whilehewaseatinghisbreakfast heheardthedoorbellring 3 as着重指从句的动作与主句的动作相伴随发生 随着 一边 一边 Shesangasshewalkedalongthestreet Astheelectionapproached theviolence 暴行 gotworse 连接词when的用法小结when引导时间状语从句 意为 当 的时候 2 when用作并列连词 常用于下列结构中 表示某件事正在发生 正要发生或刚刚发生 另一动作同时或紧接着发生 意为 就在那时 这时 相当于andthen andatthis thattime was weredoing when was wereabouttodo when was wereonthepointofdoing when haddone when Iwasonthepointofreadingbookswhensomeoneknockedatthedoor Wewereabouttostartwhenitbegantorain Iwasplayingcomputergameswhenmomcamein Ihadjustgothomewhenitbegantorainheavily hard 3 Itis was 时间点 when 当 时已是 时候了Itwasalready12o clock Igothome Itwasalreadyat12o clock Igothome 4 when表示 既然 考虑到 HowcanIhelpthemtounderstandwhentheywon tlistentome 5 when表示 虽然 然而 可是 Sheclaimedtobe18 whenIknewshewasonly16 when that 1 04北京春 Wewereswimminginthelake suddenlythestormstarted A whenB whileC untilD before2 02上海 Hewasabouttotellmethesecret someonepattedhimontheshoulder A asB untilC whileD when3 05上海 Hetransplantedthelittletreetothegarden itwasthebesttimeforit A whereB whenC thatD until4 05福建 DidJackcomebackearlylastnight Yes Itwasnotyeteighto clock hearrivedhome A BeforeB whenC thatD until5 06辽宁 Hewasabouthalfwaythroughhismeal afamiliarvoicecametohisears A whyB whereC whenD while A D B B C 连接词while的用法小结1 while引导时间状语从句 意为 当 的时候 引导的动作必须是持续性的 Pleasedon ttalksoloudwhileothersareworking Strikewhiletheironishot 趁热打铁2 while作为并列连词 表对比 意为 然而 而 却 JanewasdressedinbrownwhileMarywasdressedinblue 3 while引导让步状语从句 意为 尽管 虽然 相当于although WhileIadmitthattheproblemsaredifficult Idon tagreethattheycan tbesolved 6 06天津 ThecostoflivinginGlasgowisamongthelowestinBritain thequalityoflifeisprobablyoneofthehighest A sinceB whenC asD while7 04年江苏 Iacceptthatheisnotperfect Idoactuallyliketheperson A WhileB SinceC BeforeD Unless8 itistruethatastudent smostimportantgoalistodowellinhisorherstudies itdoesn tneedtobetheonlygoal AwhenBAsCWhileDBefore9 Marymadecoffeeherguestswerefinishingtheirmeal 全国 A sothatB althoughC whileD asif D A C C 连接词as的用法小结1 引导时间状语从句 当 时候 一边 一边 随着 Shesangasshewalkedhomealltheway Asshegrewolder shebecamemorebeautiful 2 引导方式状语从句 按照 的方式 WheninRome doasRomansdo 3 引导非限制定语从句 正如 正像 如同 Asweallknow successcomesfromhardwork 4 引导原因状语从句 由于 因为 既然 Assheisfreetoday shewouldliketodosomeshopping 5 让步状语从句 虽然 尽管 1 as引导的让步状语从句要倒装 句型为 形容词 副词 名词 不带冠词 动词 原形 as 主语 其它Youngasheis heknowsalot MuchasIlikeit Ican taffordit Farmerasheis heiswell educated TryasImight Icouldn tliftthestone 2 although不倒装 though可倒装也可以不倒装 as必须倒装 Although Thoughheisachild heknowsalot Childas thoughheis heknowsalot 2 till until用法小结1 until till从句用于肯定句时 主句的动词是延续性动作 意为 某动作一直延续到某时间点才停止 Wewaiteduntil tillhecame 2 not until 直到 才 主句谓语动词是非延续性动词 强调主句的动作在某个具体时间或某件事发生之后才发生 Hewon tgotobeduntilhisfatherreturns 3 not until句型中的强调和倒装 部分倒装 的用法 Thesportsmeetingwillnotbehelduntilnextweek Notuntilnextweekwillthesportsmeetingbeheld Itisnotuntilnextweekthatthesportsmeetingwillbeheld Hedidnotbegintoknowhowimportantthefamilywasforhimuntilhelefthishome Notuntilhelefthishomedidhebegintoknowhowimportantthefamilywasforhim Itwasnotuntilhelefthishomethathebegantoknowhowimportantthefamilywasforhim 1 03北京春 Washisfatherverystrictwithhimwhenhewasatschool Yes Hehadneverpraisedhim hebecameoneofthetopstudentsinhisgrade A afterB unlessC untilD when2 03上海 Agoodstorytellermustbeabletoholdlisteners curiosity hereachestheendofthestory A whenB unlessC afterD until3 Itwasnot shetookoffherdarkglasses Irealizedshewasafamousfilmstar A when thatB until thatC until whenD when then C D B 3 since的用法小结1 since表示 自 以来 从 以后 Ihaven tseenhersincesheleft 2 常用句式 Itis hasbeen 一段时间 since did Itwas 一段时间 since haddone 自从 不 以来已有多长时间 若动词是非延续 直译 反之 反译 Ithasbeenseveralmonthssincewegraduatedfromthemiddleschool 非延续性动词自从我们从这所中学毕业已经有几个月了 Itis hasbeentenyearssincehesmoked 延续性动词他戒烟已经十年了 3 since表示 既然 由于 Sinceyouarenotinterested Iwon ttellyouaboutit 4 before的用法小结1 before表示 在 以前 还没来得及 就 趁着还未 才 就 Pleasewriteitdownbeforeyouforgetit Wehadsailedfourdaysandfournightsbeforewesawland HeleftbeforeIsaid thankyou tohim 2 before常用句式Itis willbe 一段时间 before 一般现在时 Itwas wouldbe 一段时间 before 一般过去时 要过多久才 Itwillnotbelongbefore 要不了多久就 Itwasnotlongbefore 没过多久就 了 ItwillbehalfayearbeforeIcomeback Itwon tbelongbeforewemeetagain Itwasthreeweeksbeforehecameback Itwasn tlongbeforeheleftthecountry 1 03年北京 Hemadeamistake butthenhecorrectedthesituation itgotworse A untilB whenC beforeD as2 04福建 Scientistssayitmaybefiveorsixyears itispossibletotestthismedicineonhumanpatients A sinceB afterC beforeD when3 06四川 Whydidn tyoutellhimaboutthemeeting Herushedoutoftheroom Icouldsayaword A beforeB untilC whenD after4 05北京春 Itisalmostfiveyears wesaweachotherlasttime A beforeB sinceC afterD because C C A B 5 引导时间状语从句的名词短语themoment theminute theinstant thefirst secondtime everytime eachtime nexttime anytime theday theyearThefirsttimeIdrovethecar Ifeltverynervous Nexttimeyoucome pleasebringyourcomposition EverytimeIcaughtacold Ihadpaininmyhead Thedayhissonwasborn hewenttothefront 6 bythetime的用法Bythetimeyoureadtheletter I llhavebeeninChina BythetimeIarrivedattherailwaystation thetrainhadleft BythetimeJackreturnedhomefromEngland hisson college 毕业 Bythetimeyougraduatefromtheschool you Englishforsixyears 学习 hadgraduatedfrom willhavelearned 7 表示 一 就 的句型1 assoonas themoment theminute theinstant immediately directly instantly hardly when scarcely when nosooner thanAssoonashecomes I lltellhim Themoment minute instantIsawhim Irecognizedhim Ileftdirectly instantly immediatelytheclockstruck5 Ihadnosoonerreachedhomethanitbegantorain Hehadhardly scarcelygotoutofhiscarwhenitcaughtfire 注意 如果hardly scarcely nosooner置于句首 主句用部分倒装 p3复习部分倒装 Hardly scarcelyhadIgothomewhenitbegantorain NosoonerhadIbeguntotalkthanherangoff NosoonerhadItoldhimmynamethanhestoppedlistening HardlyhadIenteredtheroomwhenthetelephonerang 注意主从句的时态 2 on upondoingon uponone s nOnarrivingatthestation thethiefwasarrested OnhisarrivalinParis hewasrecognizedasafamousperson 1 01北京春 DidyouremembertogiveMarythemoneyyouowedher Yes Igaveittoher Isawher A whileB themomentC suddenlyD although2 1998上海 Ithoughtherniceandhonest Imether A firsttimeB forthefirsttimeC thefirsttimeD bythefirsttime3 enteredtheofficewhenherealizedthathehadforgottenhisreport A HehardlyhadB HadhehardlyC HardlyhadheD Hardlyhehad B C C 原因状语从句1 because since as for引导的原因状语从句 1 because表示某件事情发生的直接原因或理由 语气最