九年级英语复习时态(二)人教四年制.doc
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1、九年级英语复习时态二人教四年制版【同步教育信息】一. 本周教学内容复习时态二二. 重、难点五过去进行时:由“was/ were+动词的现在分词构成。其用法:1. 过去进行时表示过去某一时刻或某一段时间内正在进行或发生的动作。通常与表示过去的时间状语连用。如:then , at this / that time yesterday , at nine last night等。At 8:00 oclock yesterday evening I was having dinner with some friends . 昨天晚上八点,我在和几位朋友一起吃饭。The doorbell rang wh
2、ile my mother was cooking the dinner .在妈妈做饭时,门铃响了。2. 表示移动的动词,如:come , start , stay , leave , fly等词的过去进行时,可以表示过去将要发生的动作。如:He was leaving the following day . 他第二天将要离开。She asked when I was starting . 她问我何时动身。3. 过去进行时动词常与always , forever , continually , constantly , frequently等副词连用,代替一般过去时,强调过去经常性或习惯性动作
3、,表现出说话人的赞美、厌烦等情绪。如:He was forever complaining about something . 他老是怨这怨那。He was constantly asking questions . 他老是没完没了地提问题。4. 在含有时间状语从句的复合句中,延续时间较长的动作用过去进行时,另一个动作用一般过去时。假设表示两个延续动作在过去某一时刻同时发生,那么主句和从句的谓语动词都用过去进行时。如:What was Jim doing when the teacher came in ?He read a piece of newspaper while he was wa
4、iting for the bus . 他一边等车,一边看报。注意:1静态动词如be , have , seem , depend on依靠等一般不能用于进行时态。2表示知觉,认识或情感的动词如see , hear , believe , know , like , love , want , wish等一般也没有进行时态。5. 一般过去时与过去进行时的用法比拟。一般过去时表示在过去某个时间发生的动作或存在的状态,而过去进行时那么表示在过去某个特定时间正在进行的动作。如:Mary wrote a letter to her friend last night . 玛丽昨晚给她朋友写了封信。信已
5、写完Mary was writing a letter to her friend at 8:00 oclock last night .昨晚八点钟玛丽在给她的朋友写信。信不一定写完,只说明了动作的延续It was raining this time yesterday . 昨天这个时间在下雨。动作延续It rained yesterday . 昨天下过雨。动作完成六现在完成时现在完成时由“助动词have / has+过去分词构成。规那么变化的过去分词与动词过去式的变化一样,在动词词尾加-ed,不规那么变化的过去分词要单独记忆,用法:1. 表示过去已经开始,持续到现在也许还会继续进行下去的动作
6、或状态;常和表示一段时间的状语,如:today , these days , since , for , this month , now等连用。如:They have lived in Beijing since 1972 . 他们从一九七二年以来就住在。He has drunk four cups of coffee today . 他今天喝了四杯咖啡了。2. 表示过去发生或已经完成的某一动作对现在造成的影响或结果。如:I have just posted a letter . 我刚把信邮寄了。She has lost her watch . 她把表丧失了。3. 使用现在完成时需注意的问题
7、:1表示短暂性的动词不能与表示一段时间的状语连用。如:appear , begin , borrow , buy , close , come , die , fall , find , finish , join , kill , leave , lend , sell , start , stop等。另外,请大家注意在总复习中涉及到的持续动词与瞬间动词的转换:fall asleep , go to bed , go to sleep要变成be asleep才可表示持续的状态;make friends , become friends变为be friends , diebe dead , l
8、eavebe away , buyhave , openbe open,在have / has been to , have / has gone to及have / has been in中只有最后一个表示状态,可以持续,joinbe in+组织,beginbe on。2现在完成时不能和明确指出过去时间的状语连用。如:yesterday , last week , in 1999 , two days ago , just now , when I came in等,但可以和不明确指出时间的状语连用,如,already , yet , sometimes , always , often ,
9、 just , before , never , ever , lately , once等;也可以和包括现在在内的时间状语连用,如:this morning , today , this week , this year等。3havehasbeen和havehasgone的区别:表示“曾到过某地要用“havehasbeen表示“已经去某地要用“have / has gone,试比拟:Where has he been ? 他刚刚到哪儿去了?他已回来 Where has he gone ? 他上哪儿去了?他现在不在这里 They have been to Beijing . 他们到过。现在已不
10、在了 They have gone to Beijing . 他们到去了。他们可能在去的路上,或者已到4现在完成时与一般过去时在意义上的区别。现在完成时表示过去发生的某一动作对现在造成的影响或结果,强调的是现在的情况。因此,它不能和表示过去的时间状语连用,如:yesterday , last night , three weeks ago , in 等。而一般过去时只表示过去的动作或状态,和现在不发生关系,它可以和表示过去的时间状语连用。试比拟:I have seen him . 我已见过他了。我了解他的情况I saw him yesterday . 我昨天看到他的。只说明昨天我看到他,并不涉
11、及现在的情况I have been ill for a week . 我已病了一周了。现在还在生病I was ill for a week . 我病了一周。过去病了一周七过去完成时过去完成时由“助动词had+过去分词构成。用法:1. 表示在过去某一时间之前也称为“过去的过去已经发生或完成的动作。常与“by / before+过去的时间构成的短语连用。如:How many English songs had you learned by the end of last term ?到上学期末,你们学了几首英文歌?I had never seen such a wonderful match be
12、fore that day . 那天之前我从未看到过那么精彩的比赛。2. 用于以连词when , as soon as , as as , before , until , now that引导的状语从句中或一些宾语从句中以表示动作的时间早于主句所表示的动作,可表示原因,动作先后等关系。如:I saw Li Ping yesterday . We had not seen each other since I left Beijing .我昨天见到了李平,自我离开以来,我们就没见过面。The train had just left when they got to the station .
13、当他们到达火车站时,火车刚刚开走。3. 某些表示意愿,意图等的动词,如:think , hope , want , intend , plan , mean等,其过去完成时常表示本来打算做而没有做的事。如:I had thought that all knew about it . 我还以为他们都知道这件事呢。实际上他们并不知道I had hoped that you would come , but you didnt . 我本希望你能来,可你没有来。4. 在No sooner than ; Hardlyscarcely when 的结构中,前面的动词多用过去完成时。如:No sooner
14、had he arrived home than he was asked to start on another journey .他刚到家就被要求作另一次旅行。Hardly had we got into the country when it began to rain . 我们刚到乡间就下雨了。5. 用一般过去时代替过去完成时的情况:1含有动作已经完成意义的动词,如arrive , enter , open等,当主句和从句的两个动作紧紧相连时,两个动作都可以用一般过去时。如:When I arrived at the station . I learnt the train had a
15、lready left . 我一到车站,就听说火车已经开了。When he entered the office , he heard the telephone ringing .他一进入办公室,就听到 铃响了。2由连词before , after , as soon as等引导的从句,由于连词本身意义已经说明主句和从句两个动作先后发生的关系,因此,两个动作都可以用一般过去时。如:After he closed=had closedthe door , he left the house . 他关好门后离开房子。I telephoned you as soon as I got home .
16、 我一到家,就给你打了 。八过去将来时1. 过去将来时的构成:1过去将来时由“助动词would+动词原形构成。助动词would常简缩为“d。例如:“Id “youd“hed等;would not常简缩为“wouldnt。2过去将来时还可以用“waswere+going+to+动词原形来表示。2. 过去将来时的用法:1表示从过去某一时间看将要发生的动作或存在的状态。这在宾语从句里最常见。如:I wondered why he wouldnt go with us . 我想知道,他为什么不和我们一起去。They asked how they would go to Paris . 他们问他们将怎么
17、去巴黎。2过去将来时也可用“was / were going to+动词原形构成,表示曾经打算或准备要做的动作。如:I thought it was going to rain soon . 我认为很快就会下雨。She said she wasnt going to be free this Saturday . 她说她这个周六没有空。3过去将来时还可用“was / were +动词不定式或“was / were + about+动词不定式结构,表示某种过去将来的意义。如:She said that they were to see their English teacher the next
18、 week . We were to finish the work in three days . 我们打算三天内完成任务。4过去将来时常用来表示过去的习惯性动作,这时往往有一个时间状语陪衬。如:Every evening she would teach us to read and write . 每天晚上她都来教我们文化。Whenever he was free , he would drop in to have a chat . 每当他空闲时,他都会来聊一阵子。【模拟试题】答题时间:70分钟1. May I go to the cinema , Mum ? Certainly . B
19、ut you be back by 11 oclock . A. can B. may C. must D. need2. Must I finish the exercise this afternoon ? Yes , you , but you finish it now . A. must , mustnt B. must , dont have toC. may , neednt D. may , mustnt3. After a long walk , the old man be tired now . A. can B. must C. has to D. need4. Its
20、 26outside today . You wear your sweater though its really “ cool on you .A. cant B. mustnt C. neednt D. shouldnt5. Mr. Wang be in Nanjing now , he went to Beijing only this morning . A. mustnt B. may not C. cant D. neednt6. The city cleaners repeat their work many times a day during the dust-storm
21、season . A. may B. can C. might D. have to7. Can you go swimming with us this afternoon ? Sorry , I cant . I take care of my little sister at home because my mother is ill . A. can B. may C. would D. have to8. Must we finish the work before five ?No , you . You can do it tomorrow . A. mustnt B. may
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