2019年春八年级英语下册Module2Experiences模块语法专练课件 8页

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 don’t 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/has+not+done+其他。例如: I haven’t 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 haven’t.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—worked,visit—visited ( 2 )词尾为不发音的字母e时,只需加-d,例如: like—liked,live—lived ( 3 )词尾为“元音字母+y”时,直接加-ed。例如: play—played,stay—stayed ( 4 )词尾为“辅音字母+y”时,将y改为i,再加-ed。例如: study—studied,cry—cried ( 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: stop—stopped,drop—dropped ( 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: see—seen,go—gone 语法精练 Ⅰ.单项填空 ( D )1.—Would you like to see the movie Wolf Warriors Ⅱ with us? —I’d love to!But I　　　　it.  A.saw B.see C.will see D.have seen ( C )2.—It’s a great pity that the famous football player has gone to another club. —Don’t worry!They　　　　another top star recently.  A.invite B.invited C.have invited D.invites ( A )3.—Have you ever been to Beijing? —　　　　.I went there last year.  A.Yes,I have B.Yes,I did C.No,I haven’t D.No,never 语法精练 ( B )4.Uncle Liang　　　　in Haikou since 1980,so he knows a lot about the city.  A.is living B.has lived C.lived D.lives ( A )5.—　　　　you ever　　　　Han Hong sing live?  —Of course.A couple of times in different cities. A.Have;seen B.Did;see C.Do;see D.Are;seeing ( C )6.My sister　　　　English since she was 9 years old.She can talk to foreigners freely.  A.learns B.learnt C.has learnt D.have learnt 语法精练 ( B )7.My mother　　　　a good example for me since I was young.  A.was B.has been C.will be D.is ( B )8.—I think our teacher,Mrs Allen,knows everything. —I agree.Because she　　　　over 2,000 books.  A.read B.has read C.reads D.is reading 语法精练 Ⅱ.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 ) I　have　 　been　here 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 I　have　 　known　each other for two years.  3.I borrowed the book one month ago.( 用现在完成时改写句子 ) I　have　 　kept　the book for one month.  4.Mary has already entered a writing competition.( 改为否定句 ) Mary　hasn’t　entered any competition　yet　.  5.My father has stayed in Tianjin for two weeks.( 对画线部分提问 )  　How　 　long　 　has　your father stayed in Tianjin?