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1、模 块 语 法 专 练 语法精讲 现在完成时( 一 ) 1.定义。 表示过去发生的动作对现在造成的影响或结果,即用一个过去的动作来说明现在的 情况。例如: I have read the book.I dont want to read it again.我已经读过这本书了,不想再读了。( 对现在的影响 ) He has finished the work.他已经完成了那项工作。( 表结果 ) 语法精讲 2.构成。 ( 1 )肯定句:主语+have/has+done+其他。例如: Grandma has sent me a parcel.奶奶给我寄了一个包裹。 ( 2 )否定句:主语+have
2、/has+not+done+其他。例如: I havent eaten the chocolate.我还没有吃那块巧克力。 ( 3 )一般疑问句:Have/has+主语+done+其他。例如: Have you tidied the table?你收拾餐桌了吗? Yes,I have./No,I havent.是的,收拾了。/没有,还没收拾。 ( 4 )特殊疑问句:特殊疑问词+have/has+主语+done+其他。例如: How many books have you read?你读过多少本书? 语法精讲 3.动词过去分词的变化规律。 ( 1 )一般情况下,词尾直接加-ed,例如: work
3、worked,visitvisited ( 2 )词尾为不发音的字母e时,只需加-d,例如: likeliked,livelived ( 3 )词尾为“元音字母+y”时,直接加-ed。例如: playplayed,staystayed ( 4 )词尾为“辅音字母+y”时,将y改为i,再加-ed。例如: studystudied,crycried ( 5 )词尾为只有一个辅音字母的重读闭音节时,双写该辅音字母再加-ed。例如: stopstopped,dropdropped ( 6 )动词过去分词的变化形式还有许多不规则变化,需要特别记忆。例如: seeseen,gogone 语法精练 .单项填
4、空 ( D )1.Would you like to see the movie Wolf Warriors with us? Id love to!But Iit. A.sawB.see C.will seeD.have seen ( C )2.Its a great pity that the famous football player has gone to another club. Dont worry!Theyanother top star recently. A.inviteB.invited C.have invitedD.invites ( A )3.Have you e
5、ver been to Beijing? .I went there last year. A.Yes,I haveB.Yes,I did C.No,I haventD.No,never 语法精练 ( B )4.Uncle Liangin Haikou since 1980,so he knows a lot about the city. A.is livingB.has lived C.livedD.lives ( A )5.you everHan Hong sing live? Of course.A couple of times in different cities. A.Have
6、;seenB.Did;see C.Do;seeD.Are;seeing ( C )6.My sisterEnglish since she was 9 years old.She can talk to foreigners freely. A.learnsB.learnt C.has learntD.have learnt 语法精练 ( B )7.My mothera good example for me since I was young. A.wasB.has been C.will beD.is ( B )8.I think our teacher,Mrs Allen,knows e
7、verything. I agree.Because sheover 2,000 books. A.read B.has read C.reads D.is reading 语法精练 .按要求完成句子,每空一词 1.I left school in 2007.Then I came here.( 用现在完成时改写句子 ) Ihave beenhere since I left school in 2007. 2.Sally and I knew each other two years ago.( 用现在完成时改写句子 ) Sally and Ihave knowneach other for two years. 3.I borrowed the book one month ago.( 用现在完成时改写句子 ) Ihave keptthe book for one month. 4.Mary has already entered a writing competition.( 改为否定句 ) Maryhasntentered any competitionyet. 5.My father has stayed in Tianjin for two weeks.( 对画线部分提问 ) How long hasyour father stayed in Tianjin?