高中英语 Unit3 Computer第3学时Grammar学案 新人教版必修2 .doc

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1、广东省惠州市惠东县惠东荣超中学高中英语Unit3Computer第3学时Grammar学案新人教版必修2I.Checkthehomework.II.在课文中找出所有包含现在时完成时态的句子，并把它们写下来。____________________________________________________________________________________________________________________________________________________________________________________________

2、_________________2.ChangetheActiveVoiceintothePassiveVoice:GroupA1.Wehavefinishedourhomework.2.ManyvisitorshavevisitedtheGreatWall.3.Mikehasseentwofilmssincelastmonth.4.TheRussiangovernmenthasturnedthesepalacesintomuseums.GroupB1.Ourhomeworkhasbeenfinishedbyus.2.TheGreatWallhasbeenvisitedby

3、manyvisitors.3.TwofilmshavebeenseenbyMikesincelastmonth.4.Thesepalacehavebeenturnedintomuseums.A组强调动作的执行者,是主动语态,结构:主谓宾,相同点:两组都是完成时态,结构:have/has+过去分词B组的句子强调动作的承受者,是被动语态.相同点:两组都是完成时态结构:助动词have/hasbeen+过去分词3.现在完成时(have/has+过去分词)现在完成时的动作或情况虽然发生在过去，但它强调的是与现在的关系，用来说明现在的情况。现在完成时被动语态(have/has+been+

4、现在分词）Changethefollowingsentencesintothepresentperfectpassivevoice.Puttheverbsintothecorrectform.1.Wehaveboughtanewpersonalcomputer.___________________________________________2.Wehavefoundmanyproblemswithournewcomputer._______________________________________________3.TheyhavebuiltaPCthewaywe

5、wanted._________________________________________4.TheyhavejustjoinedourcomputertotheInternet.________________________________________________5.Wehaveusedthecomputereverydaysinceweboughtit._______________________________________________4Exercises1. Bothmybrotherworkatthepowerstationthat___in

6、myhometown.A.hassetupB.hasbeensetupC.wassetupD.issetup2. ---_____thesportsmeetwillbeputoff.A.I’vebeentoldB.I’vetoldC.I’mtoldD.Itold3.Allthepreparationforthetask____,andwe’rereadytostart.A.completedB.completeC.hadbeencompletedD.havebeendone4.----Howlong____atthisjob?----Since1990.A.wereyouem

7、ployedB.haveyoubeenemployedC.hadyoubeenemployedD.willyoubeemployed5. Whenandwheretogofortheon-salaryholiday____yet.A.arenotdecidedB.havenotbeendecidedC.isnotbeingdecidedD.hasnotbeendecided6.Betty___injuredsincelastSaturday.A.hasbeen　　B.WasC.isD.has7.That