八年级现在完成时态

1、the Present Perfect Tense现在完成时概念一.基本结构：用法2：二、用法1：标志词：标志词：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。already,yet,just,ever,never,before过去已经开始，持续到现在的动作或状态。for,since,sinceago助动词have (has) + 动词的过去分词注：has 用于第三人称单数，have 用于其他所有人称。 eg. I have never heard of that before. Have you ever ridden a horse? She has already finish

2、ed the work. Have you milked the cow yet? Yes, I have done that already Ive just lost my math book. 过去分词1.规则变化与过去式相同;（1.）在词尾加 -ed（2.）以e结尾的加-d (3.) 重读闭音节双写词尾加ed（4.）辅音字母加y结尾的变y为i加-ed；元音字母加y结尾的直接加-ed2.不规则变化比较多,如:一、AAA型（原形原形原形）（8）原形过去式过去分词汉语意思readreadread读cutcutcut切，割,letletlet让，允许putputput放costcostcost

3、花费，值hithithit撞，击shutshutshut关门，窗等hurthurthurt使伤痛二、ABA型（原形过去式原形）(3)原形过去式过去分词汉语意思becomebecamebecome成为comecamecome来runranrun跑三、ABC型 1. ow ew own（5）原形过去式过去分词汉语意思blowblewblown吹drawdrewdrawn画growgrewgrown生长knowknewknown 知道；了解flyflewflown飞2. ia u （5）原形过去式过去分词汉语意思beginbeganbegun开始drinkdrankdrunk喝singsangsun

4、g唱swimswamswum游泳ringrangrung打电话3. 原形过去式过去式+(e)n（8）原形过去式过去分词汉语意思bearboreborn出生wearworeworn穿forgetforgotforgotten/forgot忘记getgotgot/gotten得到speakspokespoken说freezefrozefrozen冻choosechosechosen选择4. 原形过去式原形+(e)n（10）原形过去式过去分词汉语意思eatateeaten吃givegavegiven给rideroderidden骑drive drovedriven开车；驾驶writewrotewri

5、tten写seesawseen看见fallfellfallen落下taketooktaken拿；花费shakeshookshaken摇晃riseroserisen升起；上升5. 无规律（3）原形过去式过去分词汉语意思am/is/arewasbeen是do/doesdiddone做gowentgone走四、ABB型 1. 原形ought ought（4）原形过去式过去分词汉语意思bringbroughtbrought带来buyboughtbought买fightfoughtfought打架thinkthoughtthought思考 2. 原形aught aught （2）原形过去式过去分词汉语意

6、思catchcaughtcaught捉;接住teachtaughttaught教 3. 变其中一个元音字母 （7）原形过去式过去分词汉语意思feedfedfed喂meetmetmet遇见holdheldheld拥有babysitbabysatbabysat临时照看sitsatsat坐winwonwon赢findfoundfound发现4. 原形ltlt （5）原形过去式过去分词汉语意思feelfeltfelt感到keepkeptkept保持sleepsleptslept睡sweepsweptswept扫leaveleftleft离开5. 变其中一个辅音字母 （7）原形过去式过去分词汉语意思bu

7、ildbuiltbuilt建造hearheardheard听见makemademade制造meanmeantmeant意思sendsentsent送spendspentspent花费lendlentlent借给（出）原形(9)过去式过去分词汉语意思have/hashadhad有loselostlost丢失laylaidlaid下蛋paypaidpaid付钱saysaidsaid说sellsoldsold卖telltoldtold告诉standstoodstood站understandunderstoodunderstood理解,明白五、有两种形式的（8）原形过去式过去分词汉语意思hanghan

8、gedhanged吊死hunghung挂learnlearnedlearned学learntlearntlieliedlied说谎laylain躺spellspelledspelled拼写speltspelt burnburned burned烧burntburntsmellsmelledsmelled闻smeltsmeltdreamdreameddreamed做梦dreamtdreamtlightlitlit点燃lightedlighted六.AAB型（1）原形过去式过去分词汉语意思beatbeatbeaten打败七、情态动词原形过去式过去分词汉语意思cancould能maymight也许m

9、ust必须shallshould将要willwould会1The room is cold.Who（open）the window？2 He_go）to the cinema.3 _you_（put）away my dictionary?4.We_(not finish) the work yet.5.I_(see) the play. I _(see) it last month with my sister.6.I am not hungry.I _just_(have) my dinner.7.Dont worry. The train_(arrive)yet. 用法一1.我已经看过这部

10、电影。I already the film.haveseen2.你已经浇过花了吗？ you the flowers yet?Havewatered3.他刚刚完成了家庭作业。He just his homework.hasfinished4.我们曾经去过五仙山。We ever to the Wuxian Hills.havebeen5.李雷从不抽烟。Lilei never .hassmoked一、当有一个表示过去某一特定时间的状语时，不用现在完成时，而用一般过去时:yesterday(昨天), just now(刚才)，an hour ago（一个小时前）, last year(去年); etc

11、. 如：We finished our work last week .The plane took off ten minutes ago .2.飞机十分钟前起飞了。1.我们上周完成了我们的工作。They went swimming yesterday .3.昨天，她们去游泳了。比较1练习 11.他去过两次泸州。2.他们去了办公室，将很快回来。3.他在中国四年了。He _ _ _ Luzhou _.hasbeentotwiceThey _ _ _ the office. They _ _ back soon. havegonetowillcomeHe _ _ _China _ four ye

12、ars.hasbeeninfor4.自从两年前以来，我就买了这块手表。I _ _ the watch _ two years _ .havehadsinceago5.他已经离开一小时了。He _ _ _ _ an hour.hasbeenawayfor用法二1.我学习英语达到3年了。I English for 3 years.havelearned2.自从9点钟以来，我们就在这儿等他。We for him since 9:00.havewaitedWe for him since 9:00.havewaitingbeenI English for 3 years.havebeenlearnin

13、g3.自从两周前以来，他就在练习打篮球。He basketball since 2 weeks ago.haspracticed4.自从Lucy来中国以来，她就结交了许多朋友。She many friends since Lucy came to China.hasmade用法二一段时间的表达方法有两种:1. for +一段时间，如：达到3年for 3 years2. since+过去的某一时刻, 如：自从上周以来since last weeksince Lucy came to Chinasince+一般过去时态的从句,如：自从Lucy来中国以来注意:for 和since 所引导的时间状语都

14、表示一段时间，对它们提问都用短语： 如：How longI have studied English for 3 years.(对划线部分提问) have you studied English?longHow动词转换结束性动词不能和表示一段时间的时间状语连用,但是可以转换成相应的延续性动词或短语。如：buy- , borrow- , leave- , come- , begin- , die- , join- .1.他来中国半年了。He comes China for half a year. 改为： 。havekeep2.李雷买这本字典3天了。Li Lei has bought a dic

15、tionary for 3years. 改为： 。be awaybe inbe onbe deadbe a member ofhas been inhad3.他的爷爷去世3年了。His grandpa has died for 3 years. 改： 。been dead比较2二、现在完成进行时态，如：三、过去完成时态，如：1.当我赶到车站时，公共汽车已经开走了。When I hurried to the bus stop, the bus had already left.2.当我醒来时，妈妈已经上班去了。When I wake up, mother had already gone to

16、work.1.我学习英语达到3年了。I English for 3 years.havebeenlearning2.自从9点钟以来，我们就在这儿等他。We for him since 9:00.havewaitedWe for him since 9:00.havewaitingbeen练习12341.A:I my purse. (lose) B:What a pity. When you it? (lose) A:I it this morning. (lose)练习 2havelostdidloselost2.A:I have watched the game. B:When _ you

17、_ it? A. have watched B. do watch C. did watch3.A:Ann has gone to Shanghai. B:So her parents.（填词）4.Youve never seen such a wonderful film before, ? A. havent you B. have you C. do youhaveBC1. Mr. Green _ in China since five years ago. A. lived B. has lived C. lives2. His grandma _ for two years. A.

18、died B. has been dead C. has died3. A:Where is Han Mei now? B: She _ to Shanghai. She will be back in two days. A. has gone B. has been C goes4. A: to the United Stated ?（填词） B: No, never,but I went to Canada a few years ago5. You havent changed your mind,_? A. do you B. are you C. have you练习 3Have

19、you beenBBAC1. How long have you _ the football team of the school? A. been on B. been C. joined D. played2. -Where have you _ these days? -I have _ to Beijing with my friends. A. been , gone B. been , been C. gone , been D. gone, gone3. How long have you _ this book? A. bought B. borrowed C. had D.

20、 lent4. Excuse me, _ you seen the film yet? -Yes, I _ it last night. A. have, see B. have, have seen C. have, seen D. have, saw5. He has never ridden a horse before,_? A. is he B. isnt C. hasnt D. has he练习 4ABBDD中考9899000102030405中考： 98级1.I have posted a letter to my penfriend in America . A.already

21、 B.yet C.for two days2.You have never heard such a story, you? A.havent B.dont C.haveAC中考： 99级1.His grandma for many years. A.died B.has died C.has been deadC中考： 00级1.Have you ever eat fish? Yes , I have. A B C D 改错： .B改为 eaten中考： 01级19.Wang Hais been to Shanghai ,and so _ his sister. A.is B.was C.h

22、as D.does25.Jack has a watch. He _ it for two years. A.has had B.has bought C.got D.boughtCA37.How many English words _ you _ since you came to our school? A.have,learned B.do,learn C.will,learn D.did,learn87.他们已经派人去请医生了。 They _ _ _ _ a doctor.A Ahavealreadysentfor34.Our English teacher isnt here. She has _ Shanghai. A.been B.gone C.been to D.gone to103.We have learned English for three years.(对划线部分提问) _ _ _ you _ English?108.从两年前起他就在这儿。 He _ _ _ since two years _ .DHowlonghavelearnedhasbeenhereago中考： 02级中考： 03级C2