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人教版初中時態復習課件一.ppt

'人教版初中時態復習課件一.ppt'
初中英語動詞時態復習 第一課時一般現在時一般現在時二、一般過去時一、一般現在時三、一般將來時 四、過去將來時五、現在進行時 六、過去進行時七、現在完成時 八、過去完成時 一、一般現在時Jim does his homework every day. (does就是do的第三人稱單數形式)1.一般現在時的結構:主語+動詞原形+其它 I do my homework every day.主語+am/is/are+其它 I am a student.注意:當主語是第三人稱單數時,動詞要用第三人稱單數形式。規則動詞原形第三人稱單數形式一般在詞尾加-splayleaveswimplaysleavesswims以字母s,x,ch,sh,o結尾的詞加-espassfixteachwishdopassesfixesteacheswishesdoes以輔音字母加y結尾的詞,先變y為i, 再加-esstudycarryflystudiescarriesflies動詞原形變為第三人稱單數形式的規則:注意:動詞have的第三人稱單數形式是has. 2. 一般現在時的用法 :1) 表示經常性的或習慣性的動作或狀態,常與表示頻率的副詞連用。常用的頻率副詞有: always、 usually、 often、sometimes, seldom(很少).頻率副詞在句中通常位于行為動詞之前,系動詞、助動詞之后,常與其連用的時間狀語有:everymorning(day, week, month, year…)once a week, on Sunday…。例如: He often goes swimming in summer. 他夏天經常游泳。 I usually leave home for school at 7 every morning.每天早上我七點離開家去學校。3)表示客觀真理,客觀存在,自然現象。例如:The earth moves around the sun. 地球繞太陽轉動。 4)在復合句中,當主句是一般將來時,時間狀語從句或條件狀語從句的謂語動詞只能用一般現在時來表示將來。例如: I'll tell him the news when he comes back. 他回來時,我將告訴他這個消息。If you take the job , they will talk with you in greater details. 如果你接受這份工作,他們將和你談談細節。 二、一般過去時常見標志詞:yesterday, the day before yesterday, last week (last+時間) an hour ago(時間+ago), just now, in 1982(in+過去具體時間),after three days (after+一段時間)一般過去時表示過去發生事,謂語要用過去式,一般直接加ed若是特殊得硬記。例如:Where did you go just now? 剛才你上哪兒去了? After a few years, she started to play the piano. 幾年后,她開始彈鋼琴。A Quick-answering Game請找出句子中的錯誤,并改正。1.We are go to school on foot. 2. He plaies football very well.3. Does Tom has a good friend?去掉playshave4.---When does your brother come back? ---About half an hour ago.did5.—Excuse me. You shouldn’t smoke here. Look at the sign “NO SMOKING HERE.” ---Sorry, I don’t see it.didn’t動詞的時態結構歌謠一般現在時,動詞用原型;一般時單數三人稱,動詞加“s” 。一般過去時,動詞加“ed”。I work.He works.I worked.三、現在進行時 1.現在進行時表示正在發生事,結構be+動詞ing,be由主語來決定。常見標志詞:now,look,listen,at this moment, at present,at thistime…例如:We are waiting for you now. 我們正在等你。1)表示反復發生的動作或持續存在的狀態,常與always, forever 等詞連用,往往帶有說話人的主觀色彩。例如:You are always changing your mind. 你老是改變主意。2)表示漸變,這樣的動詞有:get, grow, become, turn, run, go, begin等。例如 The leaves are turning red. 葉子在變紅?! ?It's getting warmer and warmer. 天越來越熱了?,F在進行是的特殊用法動詞原形變為動詞現在分詞的規則:規則原形-ing形式一般在動詞原形末尾加-inglistenspendstaylisteningspendingstaying以不發音字母e結尾的動詞,先去掉e,再加-inghaveprepareclosehavingpreparingclosing以重讀閉音節結尾的動詞,如果末尾只有一個輔音字母,應先雙寫這個輔音字母,再加-ingsitbeginrunputsittingbeginningrunningputting以ie結尾的短單詞,把ie改為y,再加-ingliedietielyingdyingtying以er結尾的動詞,如是重讀音節結尾,先雙寫r,再加-ing。如不是重讀音節結尾,就直接加-ingpreferwaterpreferringwatering六、過去進行時1.過去進行時的結構: 主語+was/were+動詞現在分詞+其它 I was doing my homework at that time. (doing就是do的現在分詞) They were doing their homework at that time.2.過去進行時的用法:1)表示在過去某時刻正在進行或發生的動作,通常與表示過去的時間狀語連用(如:at that time,at+過去的具體時間,或以when 引導的一般過式的從句,主句常用過去進行時)。例如:At this moment yesterday, I was packing for camp. 昨天這個時候,我正在收拾東西去露營。2)come, go, arrive, leave, start, begin, return 等動詞可用于過去進行時,表示過去將要發生的動作。例如:She told me that she was going to Hainan for her holiday. 她告訴我她將去海南度假。 3.練習:(1)Don’t turn on the TV. Grandma _ now. A. is sleeping B. will sleep C. slept D. sleeps (2) Listen. They _ with Mr Wang in the room. A. chatting B. are chatting C. were chatting D. will chat (3) --Jim, please help me take out of the trash. --OK, mom. I _ . A. will come B. am coming C. shall come C. would come (4) He with us _ to Hawaii for summer vacation. A. are going to B. is going to go C. is going to D. are going to goABBC1. I _____ (have) my breakfast at half past six yesterday morning.2. Mary _____ (go) over her lessons from six to seven last night. John and peter ____(do) the same thing.3. What _____ you ___ (do) at that time?   We _____ (watch) TV.4. Was your father at home yesterday evening? Yes ,he was. He _____ (listen) to the radio.5. _____ they ____ (have) a meeting at 4 yesterday afternoon? No, they _____. They _____ (clean) the classroom.現在進行時,進行時例句:I am working.過去進行時,am,is,are,-ing。was,were,-ing。例句:I was working.小結(Summary):做動詞時態題的時候要注意以下幾個方面:1.根據時間狀語確定時態2.根據上下文已有時態信息點確定時態3.上下文語意確定時態4.在復合句根據時態呼應確定時態5.時態中的“特殊”對策1. Neither of us ______ a doctor. A. were B. am C. is D. are.2. I’ll talk to him when he ______. A. come B. will come C. comes D. came3.Father ____ his cap and went out. A. put on B. puts on C. had put D. will put on4._____ she _____ TV at seven yesterday evening ? A. Was…watching B. Is…watch C. Has… watched D. Will…watch .5.He can’t go to the cinema with me because he ____ a meeting. A. was having B. would have C. is having D. had .6.Both of the two dictionaries ____ very useful. A. are B. is C. was D. am7. He _____ to me since last month. A. didn’t write B. hadn’t written C. hasn’t written D. won’t write 8. At the age of eleven, my grandfather _____ to work in a factory. A. began B. has begun C. will begin D. begins9. Neither I nor he _____. A. can swims well B. are swimming well C. swims well D. have swum welll0. Betty ____ morning exercises yesterday. A. not did B. don't do C. didn’t do D. won’t do 
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