2019-2020年高中英语Unit3Computer第3学时Grammar学案新人教版必修2.doc

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1、2019-2020年高中英语Unit3puter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.Ourho

3、meworkhasbeenfinishedbyus.2.TheGreatWallhasbeenvisitedbymanyvisitors.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

4、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+现在分词）Changethefollowingsentencesintothepresentperfectpassivevoice.Puttheverbsintothecorrectform.1.Wehaveboughtanewpersonalputer.___________________________________________

5、2.Wehavefoundmanyproblemswithournewputer._______________________________________________3.TheyhavebuiltaPCthewaywewanted._________________________________________4.TheyhavejustjoinedourputertotheInternet.________________________________________________5.Wehav

6、eusedtheputereverydaysinceweboughtit._______________________________________________4Exercises1. Bothmybrotherworkatthepowerstationthat___inmyhometown.A.hassetupB.hasbeensetupC.wassetupD.issetup2. ---_____thesportsmeetwillbeputoff.A.I’vebeentoldB.I’vetoldC.I’

7、mtoldD.Itold3.Allthepreparationforthetask____,andwe’rereadytostart.A.pletedB.pleteC.hadbeenpletedD.havebeendone4.----Howlong____atthisjob?----Since1990.A.wereyouemployedB.haveyoubeenemployedC.hadyoubeenemployedD.willyoubeemployed5. Whenandwheretogofortheon-sa

8、laryholiday____yet.A.arenotdecidedB.havenotbeendecidedC.isnotbeingdecidedD.hasnotbeendecided6.Betty___injuredsincelastSaturday.A.hasbeen　　B.WasC.isD.has7.Thatbook_________intoatleast20for