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1、过去进行时过去进行时 基本概念：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。 用法1.过去进行时的基本用法主要表示过去某一时间正在进行的动作。 如：Hefellasleepwhenhewasreading.他看书时睡着了。 2.过去进行时表示现在主要是为了使语气委婉、客气。 如：Iwaswonderingifyoucouldgivemealift.我不知你能否让我搭一下车【注】一般过去时也有类似用法，但比较而言，用过去进行时显得更客气，更不肯定。能否让我搭一下车。 3.过去进行时表示感情色彩与现在进行时相似，过去进行时也可表示满意、称赞、惊讶、厌恶等感情色彩，也通常与 alwa
2、ys,forever,continually等副词连用。 如：Theywerealwaysquarrelling.他们老是吵架。 4.动词be的过去进行时也可表示过去一时的表现或暂时的状态。 比较：Hewasfriendly.他很友好。(指过去长期如此) Hewasbeingfriendly.他当时显得很友好。(指当时一时的表现)一般过去时与过去进行时的区别 1、一般过时往往表示某一动作已经完成，、一般过时往往表示某一动作已经完成，而过去进行时却表示动作在持续或未完成。而过去进行时却表示动作在持续或未完成。 比较：Shewrotealettertoherfriendlastnight.她昨晚给
3、朋友写了封信。 (信写完了) Shewaswritingalettertoherfriendlastnight.她昨晚一直在给朋友写信。 (信不一定写完) 2、一般过去时表示只做一次动作，而、一般过去时表示只做一次动作，而过去进行时却表示动作反复地进行。过去进行时却表示动作反复地进行。 如：Shewavedtome.她朝我挥了挥手。Shewaswavingtome.她一直朝我挥手。 3、句中有句中有the whole morning, all day yesterday, from nine to ten last evening, when, while , at that time, 之类
4、的之类的短语短语一般过去进行时。一般过去进行时。过去进行过去进行时可以用来代替一般过去时，表示更为偶然时可以用来代替一般过去时，表示更为偶然而非预定的动作而非预定的动作 IwastalkingtoTomtheotherday 那天我跟汤姆聊天来着。 典型的例子1)Mary_adresswhenshecutherfinger.A.madeB.ismakingC.wasmakingD.makes答案C.割伤手指是已发生的事情，应用过去时。同 时，when表时间的同时性，玛丽在做衣服时提供事情发生的背景，因此用过去进行时。 when， as while 的区别的区别一、when可以和延续性动词连用，
5、也可以和短暂性动词连用；而while和as只能和延续性动词连用。 Why do you want a new job when youve got such a good one already？（get为短暂性动词）Sorry，I was out when you called me（call为短暂性动词）Strike while the iron is hot（is为延续性动词，表示一种持续的状态） The students took notes as they listened. （listen为延续性动词）二、when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和a
6、s从句的谓语动作必须是和主句谓语动作同时发生。 1从句动作在主句动作前发生，只用 when。When he had finished his homework，he took a short rest（finished先发生）When I got to the airport，the guests had left（got to后发生）。 2从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用。 When While As we were dancing，a stranger came in（dance为延续性动词）When While As she was
7、 making a phone call，I was writing a letter（make为延续性动词）3当主句、从句动作同时进行，从句动作的时间概念淡化，而主要表示主句动作发生的背景或条件时，只能用 as。这时，as常表示“随着”；“一边，一边” As the time went on，the weather got worse（as表示“随着”之意） The atmosphere(air) gets thinner and thinner as the height increases随着高度的增加，大气越来越稀薄。 As years go by，China is getting s
8、tronger and richer随着时间一年一年过去，中国变得越来越富强了。 The little girls sang as they went小姑娘们一边走，一边唱。 The sad mother sat on the roadside，shouting as she was crying伤心的妈妈坐在路边，边哭边叫。 4在将来时从句中，常用when，且从句须用一般时代替将来时。 You shall borrow the book when I have finished reading itWhen the manager comes here for a visit next we
9、ek，Ill talk with him about thisExercises Exercises 1.He _ (not work) at that time.2.When the teacher _ (come) in, they _ (talk) loudly.3.What _ you _ (read) last night?wasnt workingcamewere talkingwere readingdid read4.His mother _ (return) while he _ (do) his homework.5.My father _ (watch) TV while
10、 my mother _ (cook).returnedwas doingwas watchingwas cooking用动词的适当形式填空用动词的适当形式填空(一般现在时、过去一般现在时、过去时、将来时、现在进行时、过去进行时）时、将来时、现在进行时、过去进行时）1. She _ (do) her homework this time yesterday.2. The teacher _ (help) his students with their lessons now.3. He _ (make) progress every day.4. She _ (read) a story-bo
11、ok at seven yesterday evening.5. It _ (rain) hard now.6. The students _ (get) ready for the picnic these days.was doingis helpingmakeswas readingis rainingare getting7.They _ (visit) the science museum next Monday.8.Look, they _ (play) video games.9.We _ (do) some cleaning at that time.10._ the stud
12、ents _ (like) learning English?11._ you _ (have) a good time last Sunday?will visitare playingwere doingDo likeDid have12. _ he _ (study) English from 7 to 9 last night?13. Listen, she _ (sing).14. He _ (not work) in the factory these days.15. Its eight oclock. The students _ (have) an English lesso
13、n.Was studyingis singingisnt workingare having The children _(play) football at four yesterday afternoon. The baby _ (sleep) when the mother came back.was sleepingwere playing完成下列句子完成下列句子1）The Barber _(在给我理在给我理发）发）at this time yesterday.was cutting my hair 2) They _ (在买礼物）在买礼物）when the UFO arrived.3
14、）The boys and girls_(在唱歌）在唱歌） last night.4)You _（在打篮球）在打篮球）yesterday afternoon, werent you?5) What _ To_(在做什么）在做什么）at noon yesterday?were buying giftswere singingwere playing basketball wasdoing5.MybrothercameintothebedroomwhileI_(dance).6._he_(lie)onthegroundatnineyesterdayevening?7.What_Jim_(write
15、)whentheteachercamein?8.TheReads_(nothave)lunchwhenIgottotheirhouse.9.MikeandI_(play)basketballatthattimeyesterdayafternoon. 按要求转换下列句型。 1.WewerehavingaPEclassatfouryesterdayafternoon.（改为否定句） We_aPEclassatfouryesterdayafternoon.2.Katewasreviewingherlessonsateightlastnight.（改为一般疑问句，并做肯、否定回答） _Kate_herlessonsateightlastnight? _,she_._,she_.3.Heraninthepark.（用atthistimeyesterday改写） He_intheparkatthistimeyesterday.4.Theywereplayingcomputergamesatninelastnight.（对划线部分提问） _they_atninelastnight?5.Iwasreadinganovelatthreeyesterdayafternoon.（对划线部分提问） _you_atthreeyesterdayafternoon?
