人教新目标 (Go for it) 版八年级下册Section A完整版课件ppt

这是一份人教新目标 (Go for it) 版八年级下册Section A完整版课件ppt，共16页。PPT课件主要包含了Key points，重点分清等内容，欢迎下载使用。
现在完成时(1). 句型结构：have / has + dne He has already finished his hmewrk. →He hasn’t finished his hmewrk yet. (否定句，在has, have后+nt) →Has he finished his hmewrk yet? (一般疑问句，将has, have提到句首) →Yes, he has. / N, he hasn’t. (回答)(2). 用法：1).过去发生的动作对现在造成的影响。 I have clsed the dr. (门现在是关的)2).过去已经开始，持续到现在的动作或状态。 We have lived here fr tw years. (从过去住到现在)
3).表示开始于过去并持续到现在的动作或状态。（动词 多为延续性动词）时间状语：表示从过去某一时刻延续到现在的一段时间的状语, 常由fr/since引导（fr+时间段，since+时间点）。eg. fr an hur, fr tw weeks, fr ten years, since 2000, since last week/mnth/year/…, since three days ag,since he came hereWe have stayed here fr tw weeks.Mr. Green has lived in China since 2000.Since 后的从句时要用一般过去式 We have dne several things since we came back.
用since或fr填空： 1.I have been at this schl_______ mre than tw mnths. 2.She has wrked in the factry_____ tw years ag. 3.Mr Green has lived in the city______ he was brn. 4.His father has been a Party member______ twenty years. 5.They have visited many cuntries_______ 2000. 6.We have wrked there _______ a lng time. 7.Hw many bks have yu read ____ last mnth. 8.They have dne smething useful t imprve the envirnment_______ they came t Sanming. 9.What have yu dne ____ yu became a student?
常用短暂性动词和延续性动词 buy—have brrw—keep becme/get—be finish—be ver die—be dead leave—be away frm cme/g back—be back begin --- be n jin—be a member f /be in… eg.1) The river has becme dirty. The river has been dirty fr a lng time. 2) My father has left Sanming. My father has been away frm Sanming since last mnth. 3) The TV play has begun. The TV play has been n since tw hurs ag.
1.The scientist ____frm hme fr three mnths. A. has left away B. left away C. has been away2.Mr Brwn ____ in China since 1984. A. has been B. has cme C. was 3.Her grandma has ___fr three years. A. died B. been dead C. mther ____in the schl fr a lng time. A. begins t teach B. has taught C. has begun t teach5. The interesting film ____ fr sme time. A. has been n B. began C. has begun.
Judge right r wrng:1.I have bught a dictinary . ( ) I have bught a dictinary fr tw years. ( ) I have had a dictinary fr tw years. ( )The ld man has died fr a week. ( ) The ld man has died. ( ) The ld man has been dead fr a week. ( )Mther has been asleep since ten ’clck. ( ) Mther has fallen asleep since ten ’clck. ( ) Mther has fallen asleep. ( )
His grandpa has died.His grandpa _____ ______ _____ fr sme time.2. The river has becme very dirty.The river ____ ______ dirty since last year.3. I have brrwed this bk .I _____ _______ this bk since last Wednesday.4. Tm has jined “Greener China”.Tm ______ _____ __ _______ ____ Greener ChinaSince he was 20 years ld.5. My uncle has left.My uncle ____ _____ ______ since half an hur agShe has bught a new bike.She ______ _______ a new bike fr tw weeks
has been dead
has been
have kept
has been a member f
has been away
has had
（1）选择．1.---___has this fd stre been in business? ---- Since 2001.
A.Hw lng B.Hw ften C.Hw ld D.Hw snExcuse me, has the train arrived _____?A.already B.either C.yet D.just3.—Hw lng has he had the nice car? — B.since C.frm D.after （2）.改错4.I live here since has learnt English since ver tw years.
I have lived here since 1999
She has learnt English fr ver tw years.
（1）Have….gt…? = D yu have….你有….？　回答:肯定 Yes, I have.否定 N, I have nt.
（2）have been t ，have gne t，have been in　１．Have been t 指到过某地且已回来　２．Have gne t 指去某地且还没回来　３．Have been in 指一直待在某地
现在完成时：助动词have（has）＋过去分词疑问句：Have yu….?回答：Yes , I have. N, I have nt.
have been thave gne thave been in
have been t表示去过某地，现在已回来，不在该地have gne t已去了某地，说话人不在说话地点，还未回来have been in已在某地呆了多久，表示持续性的状态
用have gne t, have been in, have been t的适当形式填空 ____________yu ______________, Lily?2.Miss King isn’t here. She_______________ are the bys? They ___________________the teachers’ _________ Hawaii __________________ China since is Jim? --- lng_______yu ______ ______Hawaii?
have gne t
has been in
have been
have been in
(3)一般过去时与现在完成时的区别 一般过去时只强调在过去发生过某事或关注的是动作发生的时间、地点、方式等。而现在完成时则强调过去的动作对现在的影响，因此，若现在影响并不存在时就不能用现在完成时了。如：I saw the mvie yesterday.我昨天看了这部电影。(强调电影是昨天看的)I have already seen the film. 我已经看过这部电影了。(强调到现在为止看过这部电影了)
七.作业.翻译句子：1 我叔叔昨天出发到广州。2 我叔叔已经去广州了。3 我叔叔去广州两天了。4 你完成作业了吗？5 你什么时候做作业？今天早上。