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present(now)futurepast现在完成时(presentperfecttense)domyhomeworkMother:John,cleanyourteethplease.John:Mum,Ihavealready(已经)cleanedthem.现在完成时一.构成:have/has+done(过去分词)过去分词(pp)其变化方法和动词过去式基本相同。有部分不同，需要记好。HehaslivedinShenzhenfor4years.HashelivedinShenzhenfor4years?Yes,hehas./No,hehasn’t.二:用法:1)现在完成时表示过去发生的动作,并对现在有影响。Someonehasbrokenthewindow.(窗户现在是坏的)Ihavealreadylostthekey.(我现在没有钥匙)Ihaven’treadthatbookyet.(不了解书的内容)Ihavejustcleanedmyhands.(手是干净的)常与already(已经),yet(已经),just(刚刚),ever(曾经)等词连用.already:常用于肯定句中.yet:常用于否定句,疑问句尾.现在完成时二:用法:2)现在完成时表示从过去一直持续到现在的动作或状态。ShehaslearnedEnglishfor5years.HehaslivedinBeijingsince(自从)hewasborn.Haveyoustayedheresince(自从)3o’clock?常与for,since引导的时间短语或从句连用.for+时间段since+时间点,since+句子现在完成时一.构成:have/has+done(过去分词)过去分词(pp)其变化方法和动词过去式基本相同。有部分不同，需要记好。二:用法:1)现在完成时表示过去发生的动作,并对现在有影响。Ihavejustcalledhim.2表示从过去已经开始，持续到现在的动作或状态。Hehasworkedinthisschoolsincehecamehere.常与already(已经),yet(已经),just(刚刚),ever(曾经)等词连用.常与for,since引导的时间短语或从句连用.Whathasjusthappenedtohim?Hehasjustlosthisjob.Whathasjusthappenedtoher?Shehasjustgotaloveletter.Makesentencesabouttheinventions.InventionDatenewspaper1610cannedfood1823sewingmachine(缝纫机)1851airplane1903plastic(塑料)1907Peoplehavereadnewspapersince1610.Peoplehavereadnewspaperforabout400years.since:(自…以来)1)since+时间点Hehasstayedheresince5o’clock.2)since+时间段+agoHehasstayedheresince5hoursago.3)since+从句ShehastaughtEnglishsincehecamehere.for:(长达）for+时间段Hehaskeptthebookfor2weeks.since,for的用法:Takenotes用for或since填空1.Mr.BrownhashadhisTV________15years.2.I’vetakendrivinglessons_________lastmonth.3.Mysisterhashadhercellphone________amonth.4.Myfriendshaven’tvisitedme___________mybirthday.5.Wehaven’tusedourcar________alongtime.6.Shehasn’thadagoodcupofcoffee_________years.7.Tomhaswornglasses_________hewas7yearsold.forsinceforsinceforforsinceHowlonghaveyoulearnedEnglish?hadyourwatch?studiedinourschool?hadyourcurrenthairstyle(发型)?knownyourbestfriend?wornyourglasses?抄写动词以及过去式和过去分词。1.be--2.come—3.go--4.do—5.have--6.drink—7.give--8.eat–9.know--10.make—11.run--12.say—13.see--14.find—15.draw--16.get—17.hear--18.begin—19.buy--20.leave—was/were--beencame--comewent--gonedid--donehad-haddrank--drunkgave--givenate--eatenknew--knownmade--maderan--runsaid--saidsaw-seenfound--founddrew--drawngot--gotheard-heardbegan--begunbought--boughtleft--left写出下列动词的过去式及过去分词1become_______-________2break_______-_________3bring_______-________4build_______-_________5bite_______-_________6catch_______-_________7choose________-_______8cut________-__________9fall_______-__________10fly_______-__________11forget_______-_______12grow________-_______13hit______-______14hurt_____-______15keep_____-______16lend______-_____17lose______-______18meet_____-______19put______-______20read______-_____21ring______-______becamebecomebrokebrokenbroughtbroughtbuiltbuiltbitbitcaughtcaughtchosechosencutcutfellfallenflewflownforgotforgottengrewgrownhithithurthurtkeptkeptlentlentlostlostmetmetputputreadreadrangrung按要求改变句子。1.Shehasdoneherhomework.(改否定句)2.Shehasalreadytoldusthenews.(改否定句)3.Therainhasalreadystopped.(改一般疑问句)4.Ihavewaitedherefortwohours.(划线提问)5.HehaslivedinShangHaisinceheleftBeijing.(划线提问)6.Theyhaveboughtanewcar,________________?(反义疑问句)7.ShehaslearnedFrenchsince2002.(同意句)ShehaslearnedFrench______2years.ShehaslearnedFrench_______2years__________.Shehasn’tdoneherhomework.Shehasn’ttoldusthenewsyet.Hastherainstoppedyet?Howlonghaveyouwaitedhere?haven’ttheyforsinceagoWherehashelivedsinceheleftBeijing?常用于现在完成时的时间副词,介词:already(已经):用于肯定句Ihavealreadypostedtheletter.yet(已经):用于否定句,疑问句Hehasn’tdonehishomeworkyet.just(刚刚)Theyhavejustleft.ever(曾经)HaveyoueverbeentoBeijing?never(从不)Ihaveneverseenhim.before(以前)Haveyouseenthefilmbefore?since(自从…以来)I’veworkedintheschoolsince1999.for(长达)He’slivedinShenzhenfor6years.inthepastseveraldays/weeks/years(在过去的…)recently(最近)Ihavenotwrittentomyparentsrecently.sofar(到目前为止)Sofarshehaslearned5Englishsongs.uptonow(到目前为止)thismorning/month/year(今天早上/这个月/今年)TranslatethemintoEnglish.1.你以前做过风筝吗?2.我从来没有见过这么奇怪的人．3.到现在你学了多少英语单词?4.这部电影他已经看过5遍了.5.最近有没有读一些有趣的书?6.在过去几天里,你吃了什么?7.自从她搬到上海以后,我就没见过她.Haveyoumadeakitebefore?I’veneverseensuchastrangeman.HowmanyEnglishwordshaveyoulearnedsofar?Hehasalreadyseenthisfilm5times.Hareyoureadanyinterestingbooksrecently?Whathaveyoueateninthepastseveraldays?Ihaven’tmethersinceshemovedtoShanghai.161.他的爷爷已经去世2年了。2.Nick参军3年了.3.他离开深圳好长时间了。4.这本书我已借了4个月了.Hisgrandpahasdiedfor2years.Nickhasjoinedthearmyfor3years.HehasleftShenzhenforalongtime.Ihaveborrowedthebookfor4months.XXXX实义动词分为:1)瞬间动词(die,join,leave,borrow等)2)延续动词(wait,know,learn等)注意:瞬间动词不能和时间段连用.sendsingshakesitsleepspeakspendstandstealswimteachthinktellthrowunderstandwakewearwinwritetakesentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentsentshookshakensangsungsatsatsleptsleptspokespokenspentspentstoodstoodstolestolenswamswumtaughttaughttoldtoldthoughtthoughtthrewthrownunderstoodunderstoodwokewokenworewornwonwonwrotewrittentooktaken实义动词分为:1)瞬间动词2)延续动词瞬间动词joinbegin/startborrowfinish/endarrive/comeleave注意:瞬间动词不能和时间段连用.method1:动作