Module2LanguageinuseLanguageinuse1.Topractisepresentperfecttensethroughdescriptionofexperiences2.TocompleteataskinvestigatingexperiencesObjectives：Thefollowingexamplesarefromthetextsofthismodule.Nowlet’sobservethemcarefully.1.Haveyoueverwonanyprizesbefore?2.I’venevertravelledalot.3.Theyhavebeentomanyinterestingplaces.4.I’vealwayswantedtogoonadreamholiday.5.I’vealsoenteredlotsofspeakingcompetitions,buthaven’twonanyprizes.6.-HasLinglingeverwonanyprizes?-No,shehasn’t.7.AndithassentPetertoworkinGermany,FranceandChinabefore.8.MikeandClarehavealsobeguntolearnthelanguageofthecountry,Arabic.9.Forexample,inEgypt,theyhaveseenthePyramids,travelledonaboatontheNileRiver.10.I’vestoppedtryingnow.句子谓语的共同特征：has/have(not)+动词的过去分词1.totestyoursenseofobservation2.totestyourabilityofshort-termmemory3.totestyourabilityofinductivemethod1.____youever____(win)anyprizesbefore?2.I____never_______(travel)alot.3.They_________(be)tomanyinterestingplaces.4.I____always_______(want)togoonadreamholiday.Havewonhavebeenhavewantedhavetravelled5.I____also______(enter)lotsofspeakingcompetitions,buthaven’twonanyprizes.6.-____Linglingever____(win)anyprizes?-No,she_______(not).7.Andit________(send)PetertoworkinGermany,FranceandChinabefore.haveenteredHaswonhasn’thassent8.MikeandClare____also_____(begin)tolearnthelanguageofthecountry,Arabic.9.Forexample,inEgypt,they_________(see)thePyramids,travelledonaboatontheNileRiver.10.I___________(stop)tryingnow.havebegunhaveseenhavestopped现在完成时经常表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响；还可以到目前为止已经完成的事情。例如：Ihaveseenthefilm.Idonotwanttoseeitagain.这部电影我已经看过了，不想再看了。Myaunthastravelledallovertheworld.我姑姑已经周游了世界。现在完成时Presentperfecttense根据之前的例句，试着总结一下现在完成时的各种句型：人称肯定句否定句疑问句及回答第一人称Ihavedone…Ihavenot(haven’t)done…Haveyoudone…?Yes,Ihave.No,Ihavenot(haven’t).Wehavedone…Wehavenot(haven’t)done…Haveyoudone…?Yes,wehave.No,we...
