苏教版-8A-unit8-教案可编辑

中小学个性化课外辅导专家2019年2月23日恩次方教育个性化辅导教案年级：八年级辅导科目：英语课时数：2课题1、8AUNIT82.期末测试题讲解2、现在完成时巩固教学目的一、完成八年级上册的巩固二、巩固现在完成时语法三、掌握动词过去分词不规则变化教学内容1、8A8AUNIT8语法过去进行时表示过去某个时间点正在发生的事情 ，在过去某一段时间一直在进行的动作句型结构主语+谓语动词+（宾语）谓语动词：was/were +doing (动词ing形式) 常用的时间状语this morning,the whole morning,all day yesterday,from nine to ten last evening,when,while等。※注意：进行时态的中出现的动词必须是持续性动词，而非短暂性动词。 以下静态动词不用现在进行时：a.表示感觉的动词，如feel,hear,know,see,smell,taste等；      b.表示状态、感情的动词，如be,have,dislike,hate,love,like,want,wish等c.表示心理活动的动词，如forget,mean,realize,remember,understand等 d.表示所属关系的动词（词组），如：own,belong to(属于)等。现在分词变化规则①在词尾+ing，如play→playing； ②当动词以重读闭音节结尾且结尾只有一个辅音的时候，双写末尾的辅音+ing，如run→running； ③当动词以辅音+e结尾时，去e+ing，如make→making 4. ④不规则变化： lie→lying，die→dying Eg：We were having breakfast at 8:00 this morning. 句型转换①变为否定句：We were having breakfast at 8:00 this morning. (在be动词之后加not) weren’t ②变为一般疑问句：Were you having breakfast at 8:00 this morning?  (把be动词提到句子最前面，其它不变) 回答：Yes, we were. No, we weren③特殊疑问句的变化规则：三步走，一换二代三提前 例1：We were having breakfast at 8:00 this morning.(对划线部分提问) 一换：换成一般疑问句 Were you having breakfast at 8:00 this morning?二代：把划线部分用特殊疑问词代入Were you having breakfast at 8:00 this morning?                            三提前：把特殊疑问词提前 doingwhat        What were you doing at 8:00 this morning?练习：请把下列句子改成特殊疑问句1. The students were watching TV at home  last night.（what/when/where）when/while/as区别①when当……时候可以接一个时间点，也可以接一个时间段。Eg1:Itwas7o'clockwhenIwokeup.Eg2:Therewerefewersandstormswhenmygrandpawasyoung.从句的动作可以是主句时间点之前、同时、之后发生。主从句动作是短暂性、延续性都可以。Eg1:WhenIgottothemuseum,thedoorwasclosed.（之后）Eg2:WhenIwassleeping,thetelephonerang.（同时）Eg3:WhenIfinishedmyhomework,Iplayedthecomputer.（之前）※特殊用法：从句动作发生时，主句动作突然发生，一般过去时+when+过去进行时Iwaswalkinginthestreetwhenhecalledme.②as当……时候，一边……一边……，随着……可以接一个时间点，也可以接一个时间段，同whenEg略。从句的动作只能是主句时间点同时发生。Eg略。※特殊用法：从句动作淡化，主要表示主句的动作发生的背景或条件时，只能用asAsyearsgoby,Chinaisgettingricherandstronger.③while当……时候接一段时间，不能表示一个时间点Eg略。主从句的动词只能是延续型的，主句从句同时发生Eg略。※特殊用法：强调一个动作发生时，另一个动作正在进行，一般过去时+while+过去进行时Itbeguntorainheavilywhilewewerehavingdinner.总结：when大部分时候都能用，从句大多是一般过去时；while表示进行，从句一般是进行时；as主要考点是“一边一边，随着”。重点词组：1.come短语come about 发生，造成  come across （无意中）碰到，找到，想到，越过come along 跟去，一道去，赶快，进行，进展come out 出来，出版，发行， 开花2.hearabout和hearof两者都表示听说，前者表示只是听说知道而已，而后者表示听说，而且是非常了解。3.ataschool,intheUK，atnight,拓展atinon后接时间/地点的区别on，in，at表示时间 on“在具体某一天”① “当某时”，动名词， arrival，death前；early，late位句先②，用in一般“上”“下”“晚”；on用于天，in用于月、季、年③；限定三时in要变。 ④at是个时间点，“工作”“时刻”与“圣诞”⑤。at noon（night），in the day，习惯用语记心间。 ①on表示在具体某一天及具体某一天的上午、下午和晚上。 例 On mother's Day, we should send flowers to our mother. 母亲节，我们应该送花给我们的母亲。 On my arrival home，I found he had gone already．当我到家时，我发现他已经走了。  ② 当early，late用于句首修饰介词短语时，尽管表示具体某一天的上午、下午、晚上，都要用in，泛指一般的上、下午，晚上也用in 。 例 Early in the morning of National Day，I got up to catch the first bus to the zoo． 国庆节一清早，我便起床去赶到动物园的第一班公共汽车。 My father begins work at 8：00 in the morning and stops work at 4：00 in the afternoon． 我父亲上午8点上班，下午4点下班。  ③于将来时态表示“过一段时间后” 及表示“在„„期间” 和“在某个季节，某年、某月” 都用in。 例 I hear he’ll be back in a month．我听说他将于一个月后回来。 In the course of the last lesson in French，little Franz was listening to the master very attentively．在那最后一堂法语课中，小弗朗兹非常用心地听着老师讲。 Xiao Ming was born in December of 2004. 小明生于2004年12月。  ④当 morning，afternoon，evening有前位定语或后置定语限定时，就不用in而用on。 例 on a hot (summer) noon 在一个炎热（夏天）的中午 on Monday morning 在星期一上午 on the morning of March 8th在3月8日上午  ⑤ 表示某时某刻及在work，Christmas前用at。 例 We get up at eight o’clock． 我们8点起床。 My father are busily at work all day． 我父亲整天忙于工作。 In western countries children get present from their parents at Christmas． 在西方国家，孩子们在圣诞节得到父亲给的礼物。 on，in，at表示地点、位置实际上是有关介词in和on的区别。介词in和on在表示方位的时候，在用法上有如下区别： in表示在„„中，在„„内，例如： in the village（在村里） in the street（在街上） in the fields（在田里） in the woods（在树林里） in the wall（在墙里面，例如在墙上打个钉） on 表示在一个平面上，例如： on the table（在桌上） on the lake（在湖面上） on the wall（在墙上，例如在墙的平面上挂幅画） 。at一般指具体地点，小地点。4.starttodo\startdoing都是“开始做某事”的含义.但在以下三种情况,常用starttodo不用startdoing的形式：①句子主语是物不是人的时候,后用starttodosth②当start用于进行时即starting时,后接todosth.③当start后接的动词为表示心理活动的动词如understand,realize等时,后接todosth.其他通用，当强调开始长期的一种习惯的时候用doing。练习一、用所给单词的正确形式填空 1:What ______you______(do) at 9 last night?  2:It _____________(rain) heavily this time yesterday.  3:--You didn’t answer my phone. --Oh, I___________(go) shopping that time.  4:I ______________(read) a story book when the teacher came last Sunday  5:While I ___________(walk) in the street yesterday I met a friend.  6:I ______________(watch) TV when someone knocked the door.   7:When I got home ,my mother__________(cook)  dinner.  8:Tom ______________(study) for the English test from7 to 9 last night.  9:I _________(go) to school by bike 10 years ago.  10:We __________(learn) biology next term.  二、单项选择题

1、Howdidtheaccidenthappen？

-Thegirl____Wechatwhilewalkingacrossthestreet．

A．readsB．isreadingC．wasreading

2、Mysisterwithmyparents_____dumplingswhenIgothomeyesterdayevening．

A．aremakingB．ismaking

C．wasmakingD．weremaking

3、-CouldyoutellmewhereyoufoundMissGaojustnow？

-Certainly．Intheprincipal'soffice．They____happilyatthattime．

A．aretalkingB.havetalkedC．weretalking

4、SunHai____hismothermakedinnerwhenhisfathergothomefromwork．

A．washelpingB．helps

C．helpedD．ishelping

5、-Ishoutedtoyouatthegate，butyoudidn'thearme．

-Really？I____atelephonecalltomymother．

A．makeB．wasmakingC．madeD．havemade

6、--Lily，whereisyourfathernow？Goandgethimforlunch．

--Justamoment，please．Father______aphonecallinhisroom．

A．makesB．ismakingC．wasmaking

7、--Whereisyourfather？

-Idon'tknow，buthe_______thecarwhenIleftjustnow．

A．iswashingB．washedC．waswashing

8、Mymother_____dinnerwhenIgothomeyesterday．

A．hascookedB．wascooking

C．willcookD．cooks

9、-Oh，dear!Apowercut!

-Sorry，Ididn'tknowyou____thewashingmachine．

A．areusingB．usedC．useD．wereusing

10、He______newspaperswhentheearthquakehappenedinJapan．

A．waslookingthroughB．lookedthrough

C．hadlookedthrough

11、IsawSamandDavidintheplaygroundyesterdayafternoon．They____gameswiththeirclassmatesthen．

A．playB．willplay

C．areplayingD．wereplaying

12、-Hi，Nora．Isyourmotherathome？

-Justaminute!She______flowersinthegarden．

A．plantB．isplanting

C．plantedD．wasplanting

13、Icalledyouyesterdayevening．Butnobodyanswered．

Oh，sorry．MaybeI____inthebathroomatthattime．

A．takeashowerB．tookashowerC．wastakingashower课后作业：8AUNIT8测试一、单项选择。（每小题1分，计10分）()1.Iwasdoingmyhomework_______mymotherwascookingsomedeliciousfood.A.while B.as C.when D.then()2.Thecar_______thetree,andthedriver_______hisleg.A.hit;hurt B.hurt;hit C.hurt;hurt D.hit;hit()3.I_______mygrandparentsinShenzhenatthistimelastyear.A.visited B.visiting C.werevisiting D.wasvisiting()4.Itmaybedangerous_______acar_______asnowyday.A.todrive;in B.todrive;on C.drive;in D.drive;on()5.Thetravellers_______onthetopofthemountain.Theycalled110forhelp.A.trapped B.weretrapped C.trapping D.aretrapping()6.They_______forhelpandthenpeopleheardexciting_______.A.shout;shout B.shouted;shoutsC.shouted;shouted D.shouts;shouts()7.WhenIwasworkingonaMathsproblem,agoodideawentmyhead.A.over B.in C.about D.through()8._______terribleearthquake!Idon'tlikeitatall.A.How B.What C.Whata D.Howa()9.Sinceyou'vespiltthemilk,you'llhaveto_______.A.mopitup B.mopupit C.mopthemup D.mopupthem()10.Theydidn'tknow_______.A.wheregoto B.wheretogo C.gotowhere D.togowhere二、完形填空。（每小题1分，计10分）Aftertheearthquaketookplace,Ifound1inthedark.Icouldn'tmove.Thebottom(底部)partsof2mylegsandmyfeetwerehurting3.Allaroundmewasquiet.ButbelowmeIcouldhearshoutsandalotofnoise.ThenIremembered4hadhappened,Ihadbeeninanearthquake.Forabouttwohoursnobodycame.5Icouldreachthebagofapples,soatleastIhadmuchtoeat.ThenIheardpeople6tome.Ateamofpeoplehadcometosee7anyonewasunderthebrokenroad.Icalledout"I'mhere!"Iheardashout.Soonastrangerclimbedtothebridgenearmycar."Howareyoudoing?"heasked."Nottoobad,"Isaid,"butmyfeetandlegsfeel8they'rebroken.""We'lldoourbest9yououtofthere,"hesaid.Theydidn'tgetmeout10thenextmorning.Ihadbeeninmycarforfourteenhours.()1.A.me B.mine C.him D.myself()2.A.other B.either C.both D.all()3.A.well B.bad C.better D.badly()4.A.what B.how C.when D.why()5.A.Quickly B.Quietly C.LuckilyD.Sadly()6.A.running B.walking C.climbing D.going()7.A.how B.if C.where D.why()8.A.which B.because C.asif D.when()9.A.tolook B.totake C.toput D.toget()10.A.that B.until C.since D.as三、阅读理解。（每小题2分，计20分）ALastSundayIsawtheworststorminyears.Itcamesuddenlyandwentonformorethanthreehours.Afterlunch,Iwentintomyroomtohavearest.Theairwashot,andallwasquiet.Thestrongwindstartedblowingintomyroom.Piecesofpaperonmydeskflewhighintotheairandsomeflewoutoftheopenwindow.AsIranouttocatchthem,bigdropsofrainbegantofall.WhenIcamebackintothehouse,itwasrainingharder.Itriedhardtoclosethewindow.ThenIheardaloudcrashingsoundfromthebackofthehouse.Iranoutofmyroomtofindoutwhatitwas-abigtreehadfallendownandbrokenthetopofthebackroom.()1.Thestormtookplace_______.A.inthemorning B.intheafternoonC.whileIwasinthebackroom D.whileIwasinthegarden()2.Beforethestormcame,theweatherwas_______.A.cold B.cool C.hot D.warm()3.ThestormwentonforA.morethanthreehours B.threehoursC.lessthanthreehours D.twohours()4.Thewindblewsomeofpaper_______.A.alloverthefloor B.outofthedoorC.intothebackroom D.outoftheopenwindow()5.Thetopofthebackroomwasbrokenbecauseof_______.A.thehotair B.thecrashingsoundC.therain D.thefallingtreeBWelcometotheNationalZoo!Itisawonderfulplacetoexplore(探索),Learnandrelax.Enjoyyourvisit!Hereareourrulestohelpyouhaveanenjoyableandsafeexperience.NopetsDon'tbringyourpetstothezoo.YourpetswilldisturbtheanimalshereAndtheymayfeelworried.Ifyoutakeyourpetstothezoo,wewillletyougo.Walk！Don'trideOnlypeopleinwheelchairs(轮椅)andkidsinstrollers(折叠式婴儿车)cangettoridearoundthezoo.NosmokingIfyousmokeinthezoo,somethingmaybeonfire.Don'tdothat!Don'tfeedtheanimalsOuranimalshavehealthydiets.Humanfoodmaymakethemsick.Respectbarriers(栅栏)Barriersbetweenyouandouranimalsaretoprotect(保护)youandtheanimalsfromharm.Rememberthatouranimalsarewildanimals.Don'tlitterPutallofyourrubbishinbins.Helpustokeepourzooclean.PhotographsYoucantakephotoshereandsharethegreatmemorieswithyourfamilyandfriends.()6.TheChinesemeaningoftheunderlinedword"disturb"is“_______”. A.使高兴 B.使兴奋 C.使不安 D.使悲伤()7.Wecan'tfeedtheanimalsinthezoobecause_______.A.theanimalsmaybefatB.theanimalsmaybesickC.theanimalsmayattack(攻击)childrenD.theanimalsmaybeangry()8.Whatcanwedointhezoo?A.Smoke. B.Playwithourpets.C.Ridebikes. D.Takephotos.()9."Rememberthatouranimalsarewildanimals."wantstotellusthat_______.A.theanimalsareverystrong B.theanimalsareverydangerousC.theanimalsareveryclever D.theanimalsareveryfriendly()10.Whoarethemainreaders?A.Visitors. B.Scientists. C.Babies. D.Animaltrainers.四、根据首字母、汉语或英语提示写出单词，完成下列各句。（每小题1分，计15分）1.Theywentinthe_______(方向)ofthepostoffice,2.Thefilmwas_______(结束)atteno'clocklastnight.3.Themanlosthislifeinthetraffic_______(事故).4._______(自然地)hewontheprizebecauseofhishardwork.5.I'velookedformymoney_______(到处),butIstillcan'tfindit.6.Itoldmyselftocalmdowns_______Iwasstillalive.7.Sheheardaloudnoiseoft_______atfirst.8.Whenthechildisintrouble,heoftens_______forhismother.9.Ibegantosaytom_______,"CanIgoalone?"10.Iwasreadingastoryaboutapersons_______anearthquake.11.Whenyou_______(knock)atthedooryesterday,I(do)somewashing.12.Lastnightacoach_______(crash)intoatree.Thepeopleinitwerebadlyinjured.13.Afteraday'swork,heistootiredtofall_______(sleep)soon.14.Thebeatingoftherainbrokethe_______(silent)duringthatnight.15.Ifelt_______(terrible)sadaboutnotpassingthedrivingtest.五、写出下列句子的同义句。（每小题2分，计10分）1.Itrainedheavilylastweek,______________a_______rainlastweek.2.Wewalkedtothebusstop.We_______tothebusstop______________.3.Theearthquakekilledthousandsofpeople.Thousandsofpeople_____________________intheearthquake.4.IwasdoingmyhomeworkwhenMrWutoldustogohome._______Iwasdoingmyhomework,MrWutoldustogohome.5.Weshouldgetoutassoonaspossiblewhenahouseisonfire.Weshouldgetoutassoonas______________whenahouse______________.六、根据汉语提示完成下列各句。（每小题3分，计15分）1．我的汽车在我回家的路上坏了。____________________________________________________________________________2．掠过我头脑的惊恐片刻使我害怕，但是我告诉自己要冷静。____________________________________________________________________________3．三天前一场暴风雪袭击了北京，整座城市被白雪覆盖了。____________________________________________________________________________4．坏天气有时会导致自然灾害。____________________________________________________________________________5．我们在风中丢了伞，只好慢慢地在暴风雪中行走。____________________________________________________________________________七、书面表达。（20分）请你根据下面的要点写一篇70词左右的报道。1.8月14日（星期六）发生了一次山崩(landslide)；2．连续两天大雨后，早晨山崩发生；3．那天有个女孩与她母亲在家，父亲在下午到家，并叫她们赶快离开；4．雨大，父亲劝告她们带好雨伞；5．这时房子开始摇晃，她们非常害怕，迅速跑开了；6．第二天上午回家时，女孩发现房子没有了，到处是玻璃和砖块，女孩感到很悲伤。2.期末测试题讲解全套习题讲解，针对学生错题重点讲解。重要考点：1.atinon+时间的用法at+时间点，in+时间段，on+具体某天/特定某天的上午（下午、晚上等）2.borrowfrom向……借……，lendto把……借给……3.put短语puton穿上，上演，增加，假装，使…上场putdown写下，记下putin提出，提交，放入，种植，使就职，安装putforward提出，拿出，放出，推举出putoff拖延，延期，推延，阻碍putaway放好，储存存好，放置暂时不用putup举起，抬起，张贴4.天气如何两种问法Whatistheweatherlike?Howistheweather?5.providesbwithsth…sthforsb6.join/joinin/takepartin/attend辨析join①加入某个党派、组织、团体或者俱乐部，成为其中一员jointheparty,jointhemusicclub②加入到某（些）人中joinsb(forgames/dinner)/(indoingsth)Mr.Hualwaysjoinsusinplayinggames.joinin参加正在进行的、小规模的活动，比如比赛、游戏等，~thegame，takepartin指参加会议或群众性活动等，着重说明句子主语参加该项活动并在活动中发挥作用。We'lltakepartinsocialpracticeduringthesummervacation.暑假期间我们将参加社会实践。Weoftentakepartinphysicallabor.我们经常参加体力劳动。※注意：takepartin是惯用词组，part前一般不用冠词，但part前有形容词修饰时，要用不定冠词。Lincolntookanactivepartinpolitiesandwasstronglyagainstslavery.林肯积极参加政治活动，强烈反对奴隶制。attend是正式用语，及物动词，指参加会议，婚礼，葬礼，典礼；去上课，上学，听报告等。句子的主语只是去听，去看，自己不一定起积极作用。如：He'llattendanimportantmeetingtomorrow.他明天要参加一个重要的会议。Iattendedhislecture.我听了他的讲课。3、现在完成时巩固现在完成时常用时间副词及短语时间副词just(刚刚)，already（已经），still(仍然)，recently（最近），yet（还、尚），ever（曾经），never（从不），still（依然），recently（最近）等。词组sofar（至今为止）inthepastseveralyears(在过去几年里)，eversince（迄今），in/during/overthepast/lastfewyears(在过去几年里)。其他句型：for+时段，since+过去一个时间点（译为：自从……以来），since+时段+ago，since+从句（过去时），Itis+时段+since+从句（过去时）现在完成时时间副词词组专项练习一、用“never, ever, already, just, yet, for, since” 填空1. I have _______ seen him before, so I have no idea about him.  2. Jack has _________ finished his homework.  3. Mr. Wang has taught in this school ________ ten years.  4. “Have you ________ seen the film?” “No, I have ________ seen it.”  5. “Has the bus left _______?” “Yes, it has _________ left.、二、用since和for填空  1.______two years2.____two years ago 3.___last month    4.______ 1999  5._______yesterday   6.____ 4 o’clock7.____4 hours         8._____an hour ago 9. ___we were children     10._____ lunch time  11.____ she left here  12. He has lived in Nanjing ___ the year before last.  13. I’ve known him ______ we were children. 14. Our teacher has studied Japanese ______ three years. 15. She has been away from the city ______ about ten years. 16. It’s about ten years __________ she left the city. 动词过去分词不规则变化表（分类记忆）AAA型、AAB型、ABA型、ABB型、ABC型（附表需要背诵）Has/havebeen和has/havegone的区别都表示去过，说话时已经回来用been，没回来用gonehasgone和hasbeen专项练习一、用have(has) been 或have(has) gone 填空。A: Where ____________ Li Fei ___________? B: He ____________ to Hainan Island.  A: How long ___________ he ___________ there? B: He _____________ there for three days. A: When will he come back , do you know? B: I’m afraid he won’t come back recently. A: Could you tell me the way to Hainan Island? B: Sorry, I _________ never ___________ there.  A: How many times ___________ Li Fei __________ to that place? B: He _____________ there only once.   二、用have / has been to / in, have gone to及go的各种形式填空1) Where is Jack? He __________ his country. 2) David ________ the park just now.  3) John _______ England since he came back.  4) How long _____ they _____ this village?  5) The Smiths ______ Beijing for years.  6) _____ you ever ____ America? -- Yes, I _____ there many times.  7) I _____ this school since three years ago.  8) Where is Jim? He _____ the farm.  9) When_____ he _____? He _______ an hour ago.  10) Would you like to _____  to the zoo with me? Yes, but I _____ there before.  11) Where _____ you _____ now?  I ____  to the zoo.  12) He often _____ swimming.  13) _____ you ______ there last year?  14) _____ they often ______ skating in winter?瞬间动词（buy,die,join,come，go,leave,join…）不能直接与for/since连用，要改变成延续性动词★1.have代替buyMybrotherhashad(不能用hasbought)thisbikeforalmostfouryears.★2、用keep或have代替borrowIhavekept(不能用haveborrowed)thebookforquiteafewdays.★3、用be替代becomeHowlonghasyoursisterbeenateacher?★4、用haveacold代替catchacoldTomhashadacoldsincethedaybeforeyesterday.★5、用wear代替puton★6、用“be＋形容词”代终止性动词1、be＋married代marry2、be＋ill代fall(get)ill3、be＋dead代die4、be＋asleep代fall(get)asleep5、be＋awake代wake/wakeup6、be＋gone代lose,die,sell,leave7、be＋open代open8、beclosed代close/shut9、be＋missing(gone,lost)代lose★7、用“be＋副词”代终止性动词1“be＋on”代start,begin2“be＋up”代getup3“be＋back(to)”代returnto,comebackto,gobackto4“behere(there)”代come(arrive,reach,get)here或go(arrive,reach,get)there等等★8、用“be＋介词短语”代终止性动词1.“bein/at+地点”代替goto/cometo2.用beinthearmy代替jointhearmy3.“bein/at+地点”代替moveto非延续性动词转换专项练习1.He got to Beijing five minutes ago.He______________Beijing for_________.2.I moved to the USA in 2008. I_______________the USA since _____.3.I went home yesterday.         I_______________home for __________.  4.They came here last week.      They ___________ here since _____________.   5. He came out two years ago.He ______________ for ____________.  6.We return to Beijing yesterday.We _____ ____________ to Beijing since __________.   7.I became a teacher in 2000.  I ________________ a teacher for ____________.  8.The river became dirty last year. The river _______ _______ dirty for ______________.    9.The shop closed two hours ago. The shop ___________________ for _____________.  10.The door opened at six in the morning.The door ________ ________ ________ for six hours.   11.I got up two hours ago.I ________ ______ _______since _______________.  12.He left Shanghai just now.He ______ ____________ ______ Shanghai for five minutes.  13.My grandpa died in 2002.My grandpa _______ _____ ______for _______ ________.  14.The meeting finished at six.The meeting ________ ______ ______ for six hours.  15.I got to sleep two hours ago .I ________ _____ ___ since _________ _________.  16.They married in 1990.     They ________ _________ __________since _________.   17.I began to teach at this school in 1995.  I ____ ____ at this school since ____.  18.The film began two minutes ago.        The film ____ ____ ____ for ____ ____.   19.They borrowed it last week.      They __________it since _____________.  20.I bought a pen two hours ago.     I ____________a pen for _____________.  21.I got to know him last year.       I ___________ him since ___________.  22.I put on my glasses three years ago. I _________ my glasses for ______________.

课后作业：现在完成时基础练习11、Both his parents look sad . Maybe they _________what's happened to him .Ａ. knew Ｂ. have known Ｃ. must know Ｄ.will know 2、He has _______ been to Shanghai , has he ?   Ａ. already Ｂ.never Ｃ.ever Ｄ. still 3、Have you met Mr Li ______？  Ａ. just Ｂ. ago Ｃ.before Ｄ. a moment ago 4、The famous writer _____ one new book in the past two years .   Ａ. is writing Ｂ.was writing Ｃ.wrote Ｄ.has written 5、—Our country ______ a lot so far . —Yes . I hope it will be even ______ .   Ａ. has changed ; well Ｂ. changed ; good   Ｃ. has changed ; better Ｄ. changed ; better 6、Zhao Lan ______already ______in this school for two years .   Ａ. was ; studying Ｂ. will ; study   Ｃ. has ; studied Ｄ. are ; studying 7、We ______ Xiao Li si