2019春八年级英语下册Unit3Onlinetours语法专练课时作业（新版）牛津版.docx

Unit 3 Online tours单元语法专练现在完成时(三)一般过去时和现在完成时的区别:1.构成不同。一般过去时的谓语动词是动词的过去式;现在完成时的谓语是由“助动词have/has+动词的过去分词”构成。例如:Tom went to London last year.汤姆去年去了伦敦。Jane has been to London twice.简去过伦敦两次。2.用法不同。(1)一般过去时表示在过去某个时间发生的动作或存在的状态,也表示过去经常或反复发生的动作,强调动作发生在过去某一时间,与现在没有关系。例如:He came here yesterday.他昨天来这里了。He was a teacher then.他那时是一名教师。(2)现在完成时是表示过去的动作与现在的联系,主要说明的是现在的情况或状态,表示过去的动作(或状态)对现在产生的影响或结果。例如:He has broken his bottle.他摔坏了他的瓶子。I have just had supper.我刚刚吃过晚饭。3.时间状语不同。(1)一般过去时常和具体的过去时间连用,标志性时间状语有yesterday,once,last week,.ago,in 1980,in October,just now等。例如:I had supper an hour ago.我一小时前吃的晚饭。(2)现在完成时的标志性时间状语:for+时间段,since+时间点,so far,till+时间点,up to now,lately,recently,these days等。例如:He has been a teacher since then.他从那时起一直当教师。.单项填空(A)1.WhenAliceinWonderland(爱丽丝梦游仙境)?Two weeks ago.A.did you seeB.have you seenC.do you seeD.will you see(D)2.Would you like to see the movie Zootopia with us?Id love to,but Iit.A.sawB.seeC.will seeD.have seen(C)3.My sisterEnglish since she was 9 years old.She can talk to foreigners freely.A.learnsB.learntC.has learntD.have learnt(A)4.My husband alwaysme flowers every week before we got married,but now he never.A.sent;doesB.sends;doesC.was going to send;doD.sent;do(B)5.Sorry,Tom.I cant find the book youme.Its OK.I dont need it any more.A.lendB.lentC.will lendD.have lent.根据句意用所给词的适当形式填空1.Is Tom doing his homework?No,hehas finished(finish) his homework already.2.Do you know Miss King?No,but I(have) heard(hear) of her before.3.What about the film?Sorry,I dont know.Ihavent seen(see) it yet.4.Haveyou everbeen(be) to Peoples Park?No,never.5.How does he get on with his classmates?Oh,hehas changed(change) a lot these days.根据汉语意思完成句子,每空一词1.迈克自从2004年就有了这部手机。他开始工作的时候买的。Mikehashadthis phone since 2004.Heboughtit when he started to work.2.我们有六年没见面了。我们两个都在2012年离开了这个工厂。Wehaventmeteach other for six years.Both of usleftthe factory in 2012.3.我已经看过这部电影了。我上周看的。Ihavealreadyseenthe film.Isawit last week.4.很多年前上海是一个小镇。现在它已经变成了一座大城市。Shanghaiwasa small town many