试验中学潘迎新教案资料.ppt

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1、试验中学潘迎新use…forplayoftenFootballisplayedallovertheworld.Acameraisusedfortakingphotos.mustplantcoverwithinafewyears’timeThetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.robyesterdaysenduplastyearAman-madesatellitewassentupintospacelastyear.Abankwasrobbedyesterday.sendto

2、rightnowatalkgivesoonTheywillbesenttothehospitalrightnow.Atalkwillbegivensoon.digTheearthisbeingdugnow.eatupalreadyThefoodhasbeeneatenupalready.Footballisplayedallovertheworld.Acameraisusedfortakingphotos.Abankwasrobbedyesterday.Aman-madesatellitewassentupintospacelastyear.Lookandfindoutthesimilari

3、ties(相同点):Thetreemustbeplantedontheground.Thegroundwillbecoveredwithtreesinafewyears’time.Theywillbesenttothehospitalrightnow.Atalkwillbegivensoon.Theearthisbeingdugnow.Thefoodhasbeeneatenupalready.当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时,或者只需强调动作的承受者时,要用被动语态。被动语态：主语是动作的承受者。被动语态的构成：be+vt.p.p.Conclusion:(1)

4、一般现在时——am／is／are+vt.p.p.一般过去时——was／were+vt.p.p.情态动词——aux.v.(must／can／could／may…+be+vt.p.p.)现在进行时——be(am、is、are)+being+vt.p.p.一般将来时——willbe／begoingtobe+vt.p.p.现在完成时——have／has+been+vt.p.p.Turnthefollowingsentencesintothepassivevoice:1.ManypeoplespeakEnglish.→2.Heboughtmeanewbikeyesterday.→Englishissp

5、okenbymanypeople.Iwasboughtanewbikeyesterday.Anewbikewasboughtformeyesterday.3.Thebossmadehimdotheheavyworkintheolddays.→4.Tommusthandinthecompositionafterclass.→5.Therainstopped.6.Thesouptastesdelicious.Hewasmadetodotheheavyworkintheolddays.Thecompositionmustbehandedinafterclass.主动语态如何改成被动语态？1.主动语

6、态的宾语改成被动语态的主语。2.主动语态的谓语动词改成被动语态的谓语动词。do→bedone(be动词随着时态的变化而变化）3.注意保持时态、人称和数的一致。Conclusion:(2)4.带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词:tofor.如:give→begivento此类动词还有:passshowsend…再如:buy→beboughtfor此类动词还有:makedrawcookmend…5.一些动词不定式在主动语态中省略to作宾语补足语,改成被动语态时,to必须还原。注意:不用被动的情况1.不及物动词（vi.)不用被动语态。如:happen、t

7、akeplace、appear、disappear…e.g.Atrafficaccident_________(happen)justnow.happened2.连系动词(Link.v.)不用被动语态。如:be、look、seem、feel、sound、smell、taste、get、turn、become…e.g.PekingOpera______(sound)beautiful.3.当此动词表示事物的自然