电大英语I七讲课件.ppt

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1、电大英语（I）（第七讲）UNITTENUNITELEVENUNITTENI.GrammaticalStructures;II.NewWordsandExpressions;III.LanguagePointsandDifficultSentences;XI.FunctionalPractice;V.SomeExercises.一般过去时(ThePastSimpleTense)倒装句（So+be/do+主语）用法：表示在过去某个时间发生的动作或存在的状态，也表示过去经常或反复发生的动作。常与yesterday,lastyear,in1965,amomentago

2、等表示过去的时间状语连用。e.g.Igotupatfiveyesterday,butIdidn’tgetupsoearlythismorning.DidhewatchTVlastnight?IwasinGradeOnelastyear.构成：动词用过去式否定、疑问句的构成：若句中有be动词或情态动词，则在其后加not或将其调至主语前。若句中只有行为动词，则要用助动词did来帮忙。一般过去时Grammar规则动词过去式的构成1、一般情况下，加-ed。ask--askedhelp--helpedwatch--watched2、结尾是“e”的词，加-d。dance-

3、-dancedlove--lovedlive--lived3、重读闭音节词，且末尾只有一个辅音字母的，先双写这个辅音字母，再加-ed。stop--stoppeddrop--droppedbeg--begged4、以辅音字母加y结尾的词，改y为i，再加-ed。carry--carriedstudy--studiedhurry--hurriedGrammar过去式加-ed的读音1、在清辅音后，读清辅音/t/。worked/kt/helped/pt/passed/st/washed/t/watched/tt/2、在浊辅音和元音后，读浊辅音/d/。played/e

4、id/carried/id/answered/d/lived/vd/used/zd/called/ld/3、在/t,d/音后面,读/id/。wanted/tid/needed/did/Grammargrow--grewknow--knewthrow--threwblow--blewwrite--wrotedrive--droveride--rodeget--gotforget--forgotlend--lentsend--sentspend--spentsay--said*/sed/pay--paidstand--stoodunderstand--under

5、stoodlet--letput--putcut--cutread--read*am,is--wasare--weredo--didgo--wenthave--hadsee--sawcan--couldmay--mightdig--dugeat--atefind--foundmake--madehear--heardrun--rantake--tookhold--heldspeak--spokeleave--leftkeep--keptsleep--sleptsweep--swepttell--toldsell--soldbegin--begansing--s

6、angsit--satswim--swamring--ranggive--gavebring--broughtbuy--boughtthink--thoughtteach--taughtcatch--caughtcome--camebecome--became不规则动词的过去式Grammar“So+be/do+主语”句型倒装句在英语中使用得很广泛，其构成如下：将谓语动词或谓语的一部分，如助动词等移至主语的前面。为了避免语言的重复，可以使用这种结构。eg.Hehassupperatseveno’clock,andsodoI.SheisFrench,andsoam

7、I.Theywerelate,andsowerewe.HewenttoIndialastyear,andsodidshe.Grammar写出下列动词的过去式：runborrowgrowwatchwritesmileopenbeginswimcarrystudyfinishuselivewakekeepsaycleanbuyplaylearnseereadstopgothinkbehappengivebecomegetraintourstaypassanswer语法练习用括号里动词的适当形式填空。1.He__________(read)thatbooklastw

8、eek.2.Lastnighthe__