现在完成时优质全.pptx
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1、GrammarBy Ms Yuan.Travelling is fun for me.I have been to I have visitedTiananmen SquareI have stayed in Beijing for 2 weeks.I IhavebeentohavebeentotheGreatwallandtheForbiddenCity.theGreatwallandtheForbiddenCity.I IhavevisitedhavevisitedtheSummerPalaceandtheTempleoftheSummerPalaceandtheTempleofHeave
2、n.Heaven.I IhavestayedhavestayedinBeijingfor2weeks.inBeijingfor2weeks.Read and learnRead and learnI Iveve tousechopsticks.tousechopsticks.ItIts s afantasticexperiencesofar.afantasticexperiencesofar.I Iveve abitoftaichi.abitoftaichi.WeWevevealreadyalreadyalotaboutChinesecultureandalotaboutChinesecult
3、ureandhistory.history.TheteachersTheteachershavehave ustoChinesepaintingasustoChinesepaintingaswell.well.WeWevevealsoalsotopaintsomepicturesourselves.topaintsomepicturesourselves.I Ihaventhavent muchsuccessyet.muchsuccessyet.I Iveve manynewfriends.manynewfriends.learn-learnt/learned-learnt/learnedbe
4、-was/were-beenintroduce-introducedtry-triedhave/has-had-hadmake-made-made1.I _ _ to use chopsticks,and theyre teaching me a little Chinese.2.It _ _ a fantastic experience so far.3.We_ _ _ a lot about Chinese culture and history.4.The teachers _ _ us to Chinese painting as well.5.We_ _ _ to paint som
5、e pictures ourselves.6.I _ _ much success yet,but Ill keep trying.7.I _ _ many new friends.ve learnts beenve already learnthave introducedve also triedhavent hadve madego Ready?ToCompareShedidhomeworkyesterday.(shedoesntneedtodoherhomeworknow.)Shehasalreadydoneherhomework.do/does-did-doneShe had her
6、 breakfast just now.她刚才吃了早饭。她刚才吃了早饭。(She is not hungry now.她现在不饿。她现在不饿。)She has just had her breakfast.她刚吃过早饭她刚吃过早饭。ToComparehave/has-had-hadToCompareTheelephanthelpedmealotamomentago.(Icandrivemycarnow.)Theelephanthasjusthelpedmealot.help-helpedIdidntsinganEnglishsonginthesingingcompetitionlastweek
7、.(Istillrememberthethingnow.)IhaventsunganEnglishsonginthesingingcompetitionyet.ToComparesing-sang-sungWebegantostudyherelastyear.(Westillstudyherenow.)Wehavestudiedhereformorethanoneyear.study-studiedHebegantobeinterestedinplayingcomputergameswhenhewasborn.(Heisstillinterestedinitnow.)Hehasbeeninte
8、restedinplayingcomputergamessincehewasborn.be-was/were-been1.Shehasalreadydoneherhomework.2.She has just had her breakfast.3.Theelephanthasjusthelpedmealot.4.IhaventsunganEnglishsonginthesingingcompetitionyet.定义一:过去完成的动作对现在造成的影响或结果。定义一:过去完成的动作对现在造成的影响或结果。5.Wehavestudiedhereformorethanoneyear.6.Hehas
9、beeninterestedinplayingcomputergamessincehewasborn.定义二:过去开始的动作一直持续到现在或有可能继续定义二:过去开始的动作一直持续到现在或有可能继续下去。下去。现在完成时态的结构:现在完成时态的结构:现在完成时态的结构:现在完成时态的结构:already(已经已经)肯中肯中yet(已经已经)问否尾问否尾just(刚刚刚刚)肯中肯中ever(曾经曾经)问中问中 never(从不)(从不)常与常与for,since引导的时间短语或从句连用引导的时间短语或从句连用.for+时间段时间段 since+过去时间过去时间 since+过去句子过去句子肯定肯
10、定have/has+done否定否定have/hasnot+donePastNowFuture完成完成影响影响already(已经已经)肯中肯中yet(还还)问否尾问否尾just(刚刚刚刚)肯中肯中ever(曾经曾经)问中问中 never(从不)(从不)开始开始持续至今持续至今持续到将来持续到将来 for+时间段时间段 since+过去时间过去时间 since+过去句子过去句子定义一:过去完成的动作定义一:过去完成的动作对现在造成的影响或结果。对现在造成的影响或结果。定义二:过去开始的动作一直定义二:过去开始的动作一直持续到现在或有可能继续下去。持续到现在或有可能继续下去。have metha
11、ve playedhas cookedhave studiedhave seenhavent visitedhavent done用法小窍门:用法小窍门:描述过去的动作,若句中有描述过去的动作,若句中有yesterday,last week,three days ago,in 1996等等过去时间就过去时间就一定一定一定一定用一般过去时用一般过去时。若若 没没有有常用常用常用常用现在完成时现在完成时。所以。所以When问句不能用现在完成时问句不能用现在完成时。A:Have you finished your homework yet?B:Yes,I have.A:When did you fi
12、nish it?B:Yesterday evening.FurtherUnderstanding代言词代言词Letsreadthem!Ihave seenAvatar.She She has has alreadyalready written written 3 books 3 books.I I havent seenhavent seen the movie the movie yetyet.Have you ever seen a sign like this?Ihavenever seenakangaroo.HowlonghaveyoustudiedinHuangguangMiddl
13、eSchoolGuangzhouBranch?肯定句肯定句否定句否定句一般疑问句一般疑问句特殊疑问句特殊疑问句现在完成在完成时的代言的代言词:1.1.already(已已经)/just/just(刚刚):用于用于肯定肯定句中句中2.2.yet(还):用于用于否定句和疑否定句和疑问句句句尾句尾3.ever(曾经曾经):用于:用于疑问和否定疑问和否定句中。句中。4.never(从不从不):表示表示否定否定二、用never,ever,already,just,yet,for填空:1.Ihave_seenhimbefore,soIhavenoideaabouthim.2.Jackhas_finishe
14、dhishomework.3.Mr.Wanghastaughtinthisschool_tenyears.4.“Haveyou_seenthefilm?”“No,Ihave_seenit.”5.“Hasthebusleft_?”“Yes,ithas_left.”neveralready/justforeverneveryetjust/alreayalready(已经已经)肯中肯中yet(已经已经)问否尾问否尾just(刚刚刚刚)肯中肯中ever(曾经曾经)问中问中 never(从不)(从不)for/since的区的区别1.for+时间段段formanyyears,foralongtime2.s
15、ince+时间点点since1998,sincelastyear3.since+时间段段+agosincethreeyearsago4.since+句子句子(一般一般过去去时)sinceImovedhere.Myfamilyhavelivedhereformanyyears.Ihaventlivedinmyhometownsince2008.ShehaslearntEnglishsincefiveyearsago.Hehashadthehousesincehemovedhere.for+时间段时间段 since+过去时间过去时间 since+过去句子过去句子1)We have lived he
16、re _ 2001.2)I have been a teacher _ ten months.3)They have known each other _more than five years.4)I have been at this school _ sixyears ago.5)She has sent some information to Tom_ Tom went to school.6)I will stay in the hotel _ a week.since for for since since forFill in the sentences with for or
17、since.for+时间时间,since+过去时间,过去时间,since+过去句子过去句子SentencePattern句式句式Ihaveeatenlunch.Shehaseatenlunch.Hehaseatenbreakfast.肯定句肯定句:主语主语+have/hasdone+宾语宾语+其他。其他。Theyhaveeatensupper.我已经吃了午饭。我已经吃了午饭。(eat-ate-eaten)她已经吃了午饭。她已经吃了午饭。(eat-ate-eaten)他已经吃了早饭。他已经吃了早饭。(eat-ate-eaten)他们已经吃了晚饭。他们已经吃了晚饭。(eat-ate-eaten)I
18、havenot(=havent)seenthefilm.Shehasnot(=hasnt)seenthefilm.Ihaventeatensupper.Hehasntchangedhisidea.Mymotherhasntcomebackhome.否定句否定句:主语主语+havenot(havent)+done+宾语宾语+其他。其他。三单主语三单主语+hasnot(hasnt)+done+宾语宾语+其他。其他。我没有看过这部电影。我没有看过这部电影。(see-saw-seen)她没有看过这部电影。她没有看过这部电影。(see-saw-seen)我还没有吃晚饭。我还没有吃晚饭。(eat-ate-
19、eaten)他还没有改变他的主意。他还没有改变他的主意。(change-changed)我妈妈还没有回来。我妈妈还没有回来。(come-came-come)1.Ive already had dinner.I _ _ dinner _.2.He has just finished his homework.He _ _ his homework _.3.Mums cooked the dinner.Mum _ _ the dinner.4.Susans learned English at school.Susan _ _ English at school.haventhadyethasnt
20、 finishedyethasnt cookedhasnt learned把下列句子改为否定句把下列句子改为否定句Haveyouhadbreakfast?No,Ihavent.HaveyouknownSandyforalongtime?Yes,Ihave.Hassheeatenanythingsince9:00a.m?No,shehasnt.一般疑问句:一般疑问句:Have/has+主语主语+过去分词过去分词+宾语宾语+其他?其他?回答:回答:Yes,主语主语+have/has.No,主语主语+havent/hasnt.你吃早饭了吗?不,没有。你吃早饭了吗?不,没有。(have-had-had
21、)你认识你认识Sandy很长时间了吗?很长时间了吗?是的。是的。(know-knew-known)自早上九点钟以来她吃过东西了吗?自早上九点钟以来她吃过东西了吗?不,她没有。不,她没有。(eat-ate-eaten)1.Ive alreadalready had dinner.2.He has justjust finished his homework.3.Mums cooked the dinner.4.Susans learned English at school.Have you had dinner yet?Has he finished his homework yet?Has
22、mum cooked the dinner?Has Susan learned English at school?把下列句子改为一般疑问句把下列句子改为一般疑问句Ive=I haveMums=Mum hasSusans=Susan has用所给动词的适当形式填空。用所给动词的适当形式填空。1.I(teach)Enghishinthisschoolsince1997.2.Lilei(keep)thelibrarybookforfivedays.3.Kate(see)hergrandmothersphotobefore.4.Sofar,we(build)thousandsofBuildingsi
23、nFuzhou.5.I(be)toBeijingalready.havebuilthavebeenhaskepthavetaughthasseenSo far we have planted many trees.He has just come back.They have already built many buildings in this city.Someone has just broken the window.I have already lost the key.I havent read that book yet.现在完成时的现在完成时的用法用法:翻译大比拼翻译大比拼1
24、1.到目前为止到目前为止我们已经植了很多树。我们已经植了很多树。(planted)2.他他刚刚刚刚回来。回来。(come-came-come)3.他们他们已经已经在这个城市建了很多楼。在这个城市建了很多楼。(build-built-built)4.有人有人刚刚刚刚打破了窗户。打破了窗户。(break-broke-broken)5.我我已经已经丢了钥匙。丢了钥匙。(lose-lost-lost)6.我我还还没有读那本书。没有读那本书。(read-read-read)She has learned English for 5 years.Wehaventseeneachotherforalongt
25、ime.Shehasbeenheresince1989.Ihavebeenheresincefivemonthsago.Greatchangeshavetakenplacesinceyouleft.He has lived in Beijing since he was born.现在完成时的现在完成时的用法用法:翻译大比拼翻译大比拼21.他学英语已经学了他学英语已经学了5年了年了。(learn-learnt-learnt)2.我们我们很长时间很长时间没相互见面了。没相互见面了。(see-saw-seen)3.自从自从1989年以来年以来她就在这。她就在这。(be-was/were-been)
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