过去进行时讲解ppt.ppt

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1、关于过去进行时讲解PPT现在学习的是第1页，共42页 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。现在学习的是第2页，共42页 结 构肯定句主语+be（was,were)+现在分词+其他。如：My son was learning English in US last year.否定句主语+be(was,were)not+现在分词+其他。如：It was not raining then.疑问句一般疑问句：Be(Was,Were)+主语+现在分词+其他？特殊疑问句：1.疑问词+be(was,were)+现在分词+其他？（疑问词做主语）2.疑问词+be(was,were

2、)+主语+现在分词+其他？现在学习的是第3页，共42页 现在分词的构成1)一般动词在词尾加-ing,读i,如go-going。2)以不发音字母e结尾的动词,先去掉e,再加-ing。come-coming make-making write-writing现在学习的是第4页，共42页 3)以重读闭音节结尾的动词,如果末尾以一个辅音字母结尾,应先双写这个字母,再加ing,x和w结尾的除外。如:get-getting swim-swimming show-showing现在学习的是第5页，共42页 4)以字母y结尾的单词,直接加ing。如carrying、playing、studying。5)以字母

3、ie结尾的动词,变ie为y,再加ing。diedying lielying现在学习的是第6页，共42页用法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：He fell asleep when he was reading.他看书时睡着了。现在学习的是第7页，共42页2.过去进行时表示现在主要是为了使语气委婉、客气。如：I was wondering if you could give me a lift.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。现在学习的是第8页，共42页 3.过去进行时表示感情色

4、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 always,forever,continually等副词连用。如：They were always quarrelling.他们老是吵架。现在学习的是第9页，共42页 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：He was friendly.他很友好。(指过去长期如此)He was being friendly.他当时显得很友好。(指当时一时的表现)现在学习的是第10页，共42页一般过去时与过去进行时的区别 1 1、一般过时往往表示某一动作已经完成，而、一般过时往往表示某一动作已经完成，

5、而过去进行时却表示动作在持续或未完成。过去进行时却表示动作在持续或未完成。比较：She wrote a letter to her friend last night.她昨晚给朋友写了封信。(信写完了)She was writing a letter to her friend last night.她昨晚一直在给朋友写信。(信不一定写完)现在学习的是第11页，共42页 2 2、一般过去时表示只做一次动作，而过去、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。进行时却表示动作反复地进行。如：She waved to me.她朝我挥了挥手。She was waving to me

6、.她一直朝我挥手。现在学习的是第12页，共42页 3 3、句中有句中有a moment agoa moment ago，this morning,the whole morning,the whole morning,all day yesterday,from nine all day yesterday,from nine to ten last evening,when,to ten last evening,when,while,at that time,just nowwhile,at that time,just now之类的之类的短语短语一般用一般过去时。一般用一般过去时。过去进

7、行过去进行时可以用来代替一般过去时，表示更为偶然而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非预定的动作I was talking to Tom the other day 那天我跟汤姆聊天来着。现在学习的是第13页，共42页典型的例子 1)Mary _ a dress when she cut her finger.A.made B.is making C.was making D.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。现在学习的是第14页，共42页 2)As she _ the

8、newspaper,Granny _ asleep.read；was falling B.was reading；fell C.was reading；was falling D.read；fell 答案B.句中的as=when,while，意为当之时。描述一件事发生的背景时，用过去进行；一个长动作发生的时候，另一个短动作发生。句意为 在她看报纸时，奶奶睡着了。句中的 fell(fall的过去时)，是系动词，后跟形容词，如：fall sick。现在学习的是第15页，共42页现在学习的是第16页，共42页以以when,while及及as引导的时间状语从句引导的时间状语从句 延续性动词：指动作可以

9、延续一段时间，延续性动词：指动作可以延续一段时间，而不是瞬间结束。而不是瞬间结束。如：如：work、study、drink、eat等。等。非延续性动词：指动作极为短暂，瞬间结非延续性动词：指动作极为短暂，瞬间结束束如：如：start、begin、jump、knock等。等。现在学习的是第17页，共42页 1.当从句中的谓语动词是持续性的动作时,用while,when或as 引导。Eg：I was drawing the picture when my friend came.Jone was talking with his classmates when teacher called him

10、.现在学习的是第18页，共42页 当从句中的谓语动词表示瞬间动作时,不可用while。Eg:He was on the point of leaving when someone knocked at the door.如果谈论两个长动作,最常用的是while。Eg:While John was sitting biting his nails,I was working out a plan to get us home.现在学习的是第19页，共42页如果表示两个短动作或事件如果表示两个短动作或事件同时发生同时发生,常用常用as或或just as,也可用也可用when。Just as he

11、caught the ball,there was a tearing sound 当他抓住球的时候,有一种撕裂的声音。现在学习的是第20页，共42页6.Tom burnt his hand when he _ the dinner.A.cooked B.was cooking C.has been cooking D.had cooked 现在学习的是第21页，共42页注意注意:在上述所列的动词中在上述所列的动词中,个别的也能用进行个别的也能用进行时态时态,但其词义发生了转变但其词义发生了转变.I hear the girl singing.We are hearing a talk on

12、the history of America.I have a computer.I am having lunch.现在学习的是第22页，共42页 表示的动作在过去某个时间表示的动作在过去某个时间正在进正在进行行,可能完成可能完成,也可能没完成也可能没完成。表示动作或状态表示动作或状态已经结束已经结束。Mary _ a letter last night.玛丽昨晚整晚都在写信。玛丽昨晚整晚都在写信。Mary _ a letter last night.玛丽昨晚写了封信。玛丽昨晚写了封信。was writingwrote现在学习的是第23页，共42页1.He _(not work)at tha

13、t time.2.When the teacher _(come)in,they _(talk)loudly.3.What _ you _(read)last night?现在学习的是第24页，共42页4.His mother _(return)while he _(do)his homework.5.My father _(watch)TV while my mother _(cook).现在学习的是第25页，共42页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、过去时、一般现在时、过去时、将来时、现在进行时、过去进行时）将来时、现在进行时、过去进行时）1.She _(do)her

14、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-book at seven yesterday evening.5.It _(rain)hard now.6.The students _(get)ready for the picnic these days.was doingis helpingmakeswas readingis rainingare getting

15、现在学习的是第26页，共42页7.They _(visit)the science museum next Monday.8.Look,they _(play)video games.9.We _(do)some cleaning at that time.10._ the students _(like)learning English?11._ you _(have)a good time last Sunday?will visitare playingwere doingDo likeDid have现在学习的是第27页，共42页12._ he _(study)English from

16、 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 lesson.Was studyingis singingisnt workingare having现在学习的是第28页，共42页 单项选择题 1.My brother _ while he _ his bicycle and hurt himself.A.fell,was riding B.fell,were riding

17、C.had fallen,rode D.had fallen,was riding2.Tom _ into the house when no one _.A.slipped,was looking B.had slipped,looked C.slipped,had looked D.was slipping,looked现在学习的是第29页，共42页 3.The last time I _ Jane she _ cotton in the fields.A.had seen,was picking B.saw,picked C.had seen,picked D.saw,was picki

18、ng 4.I dont think Jim saw me;he _ into space.A.just stared B.was just staring C.has just stared D.had just stared现在学习的是第30页，共42页 5.I first met Lisa three years ago.She _ at a radio shop at the time.A.has worked B.was working C.had been working D.had worked 6.-Hey,look where you are going!-Oh,Im terr

19、ibly sorry._.A.Im not noticing B.I wasnt noticing C.I havent noticed D.I didnt notice 现在学习的是第31页，共42页7.The reporter said that the UFO _ east to west when he saw it.A.was traveling B.traveled C.had been traveling D.was to travel 8.I _ my breakfast when the morning post came.A.had B.had been having C.

20、have been having D.was having现在学习的是第32页，共42页 填入以下单词的正确形式 1.It was warm,so I _off my coat(take).2.John_(take)a photograph of me while I _(not/look).3.Jane_(wait)for me when I _(arrive).4.When I was young,I_(want)to be a bus driver.现在学习的是第33页，共42页 5.My brother came into the bedroom while I _(dance).6.

21、_he _(lie)on the ground at nine yesterday evening?7.What _ Jim _(write)when the teacher came in?8.The Reads _(not have)lunch when I got to their house.9.Mike and I _(play)basketball at that time yesterday afternoon.现在学习的是第34页，共42页 按要求转换下列句型。1.We were having a PE class at four yesterday afternoon.（改为

22、否定句）We _ _ a PE class at four yesterday afternoon.2.Kate was reviewing her lessons at eight last night.（改为一般疑问句，并做肯、否定回答）_ Kate _her lessons at eight last night?_,she _._,she _.现在学习的是第35页，共42页 3.He ran in the park.（用at this time yesterday改写）He _ _in the park at this time yesterday.4.They were playin

23、g computer games at nine last night.（对划线部分提问）_ _ they _ at nine last night?5.I was reading a novel at three yesterday afternoon.（对划线部分提问）_ _ you _ at three yesterday afternoon?现在学习的是第36页，共42页以以when,while及及as引导的时间状语从句引导的时间状语从句 延续性动词：指动作可以延续一段时间，延续性动词：指动作可以延续一段时间，而不是瞬间结束。而不是瞬间结束。如：如：work、study、drink、e

24、at等。等。非延续性动词：指动作极为短暂，瞬间结束非延续性动词：指动作极为短暂，瞬间结束如：如：start、begin、jump、knock等。等。现在学习的是第37页，共42页 1.当从句中的谓语动词是持续性的动作时,用while,when或as 引导。Eg：I was drawing the picture when my friend came.Jone was talking with his classmates when teacher called him.现在学习的是第38页，共42页 当从句中的谓语动词表示瞬间动作时,不可用while。Eg:He was on the poi

25、nt of leaving when someone knocked at the door.如果谈论两个长动作,最常用的是while。Eg:While John was sitting biting his nails,I was working out a plan to get us home.现在学习的是第39页，共42页如果表示两个短动作或事件如果表示两个短动作或事件同时发生同时发生,常用常用as或或just as,也可用也可用when。Just as he caught the ball,there was a tearing sound 当他抓住球的时候,有一种撕裂的声音。现在学习的是第40页，共42页 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 _(在给我理发）在给我理发）at this time yesterday.was cutting my hair现在学习的是第41页，共42页2022-9-7感谢大家观看感谢大家观看现在学习的是第42页，共42页