动词时态与语态结构讲解.doc

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1、动词时态与语态结构讲解动词的时态及结构时态一般进行完成完成进行现在workworksamis}workingarehavehas}workedhavehas}beendoing过去workedwaswere}workinghadworkedhadbeenworking将来willshall}workwillbeshallbe}workingwillshall}haveworkedwillshall}havebeenworked非延续性动词变延续性动词表leave离开beaway(from)cat

2、chacold感冒haveacoldbuy买havecomeback回来bebackborrow借keepmarry结婚bemarriedgetup起床beupcome来behereputon上演beongettoknow知道know动词的被动语态例句：IteachEnglish.我教英语。（主动语态）OurEnglishistaughtbyhim.我们的英语是由他教的。（被动语态）总结构：bedone（每个时态的助动词+过去分词）一般现在时的被动语态am/is/are+done例句：Chine

3、seislearntbymoreandmorepeopleintheworld.一般过去时的被动语态was/were+done例句：Thehouseswerebuilttwentyyearsago.一般将来时的被动语态will/shall/begoingto+bedone例句：Thesportsmeetingwillbeheldnextmonth.情态动词的被动语态can/could/may/might/must/should+bedone例句：Thecarshouldbecleaned. 常用

4、被动语态句式1.      Itisbelievedthat…(人们相信…)Itisbelievedthatthesecretwillbefoundout.人们相信秘密会被揭开。2.      Itisreportedthat…(据报道…)Itisreportedthatanewairportwillbebuiltnextyear.据报道明年将建一座机场。3.      Itissaidthat…(据说…)Itissaidthatwewillhaveanewclassmate.据说我们将有一位新

5、同学。状语从句及频度副词1． 原因状语从句l because(直接原因，语气最重，必然结果，用Why提问)Mr.Wrightwillsellitbecauseitdoesn’twork.l since(已然知晓，显然原因，侧重主句，语气稍弱)Sinceeveryoneishere,let’sbeginourmeeting.l as(从句原因，主句结果，从主并重，口气较强)Asitisrainingheavily,wewon’tgototheseaside.l for(并列连词，附加推断，不放句首

6、，逗号分开)Itmusthaverainedlastnight,forthegroundisstillwet.Ex.1)Heaskedforleave______hewenttoseeadoctor.A．becauseB.whenC.untilD.if2.结果状语从句so…that…/such…that…Ex.1)Shehasbeen_____sick______shecan’tworkrightnow.2)Quasimodois____anuglyman_____heisafraidtomee

7、tpeople.3.目的状语从句Ex.1)You’dbetterspeaklouder______youcanbeheardbyall.A.thoughB.sothatC.incaseD.until2)Pleaseremindmeofthemeetingagaintomorrow_____Iforget.(2008)A.thoughB.sothatC.incaseD.untilsothat辨析Hespokeclearly,sothatweheardhim.结果状语从句（sothat前有，）hes

8、pokeclearlysothatwecouldhearhim.目的状语从句（没有,）4.让步状语从句Ex.1)______hehaslimitedtechnicalknowledge,theoldworkerhasalotofexperience.A.SinceB.UnlessC.AsD.Although2)Allpeople,______theyareoldoryoung,richorpoor,havebeentryingtheirbesttohelpthoseinneedsincethed