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Revision--Passivevoice教学目标:知识与技能:复习动词的被动语态过程与方法:通过学生归纳总结练习达到知识的运用提高情态价值观:注重学习方法指导及应用能力的提高。教学重点:动词的被动语态教学难点:被动语态实际应用。教学过程一、课程导入:与小学语文课本中变“把”字句为
“被”字句做类比二、知识梳理英语动词有两种语态:主动语态和被动语态。1.当我们不知道谁是动作的执行者,2.或者只需强调动作的承受者时,要用被动语态。被动语态结构:be+过去分词(PP)+(by„)时态:1.一般现在时:am/is/are+pp2.
一般过去时:was(were)+pp3.现在完成时:have/hasbeen+pp4.一般将来时:will(shall)/begoingto+be+pp5.情态动词的被动语态:must(can,haveto,may等)+be+pp三、知识运用例1将下列句子改为被动语态。
Wecleanourclassroomeveryday.Ourclassroomiscleaned(byus)everyday.在改写中应注意:1.把原来的宾语提到前面作被动语态的主语;2.把动词变成“be+过去分词”;3.主动语态中的主语变为介词by的
宾语。4.遵循时态不变的原则一般现在时的被动语态:am/is/are+过去分词1.Peopleplayfootballallovertheworld.2.Mr.Greenteachesusthisterm.Footballalloverth
eworld.Wethisterm.一般过去时的被动语态:was/were+过去分词3.PeoplebuilttheGreatWalllongago.4.Twoyearsagoweusedthemachinestomakeshoesforc
hildren.现在完成时的被动语态:have/hasbeen+过去分词5.PeoplehaveplantedmanytreessinceMarch.Manytrees____________________
bypeoplesinceMarch.6.Maryhasn’tpreparedfortheexamyet.Theexam________________________byMaryyet.一般将来时的被
动语态:will/begoingto+be+过去分词7.Wewillwriteadiarynextclass.8.Tomisgoingtoholdabirthdayparty.情态动词的被动语态:mu
st/haveto/can等+be+过去分词9.Youmustthrowthebrokenglassawayatonce.10.Wehavetofinishourhomeworkontime.四、知识拓展思考1:将下列的主动句变为被动语态:1.Wegavehimsomebooks.→He___
_________________________.→Somebooks_______________________.2.Mymotherbuysapresentforus.→Apresent___________________________.小结1:带有双宾语(宾语
既有人又有物)的被动结构是:(1)将间接宾语(人)变为主语,直接宾语(物)不变。(2)将直接宾语(物)变为主语,一般要在间接宾语前加介词to或for.思考2:1.IusuallyhearhersingEnglishsongsinthemo
rning.She_______________________________inthemorning.2.Hemakesherhorseworkallday.Herhorse_________________
__allday.3.Myfatherletmegooutforapicnic.Ioutforapicnic.小结2:一些特殊结构的被动结构:(1)感觉动词(hear,see等)改被动语态(2)使役动
词(let,make等)改被动语态如动词为make,see,hear,watch等,后接宾语补足语为不带“to”不定式时,变被动语态时要加上“to”。如:Isawhimfalloffthetree.→Hewasseentofalloffthetree.思考
3:用动词适当形式填空。1.Thiskindofpen_______(write)verysmoothly.2.Mooncakes________(taste)delicious.3.Thisbookisworth______(read).4.Mybikeneeds_______(rep
air).小结3:主动结构表示被动意义:1.write,read,sell,wash等词作不及物动词时,它们的主语为物,可用主动语态表示被动意义。2.look,sound,taste,smell等系动词,用主动结构表示被动意义。3.在beworthdoing中
,doing表示被动意义。4.needdoing相当于needtobedone.五、当堂小测试请把下面句子改为被动语态1.TheyshowedJackcarefullyhowtouseit.→_________________________________________________2.
Beijingwillholdthe29thOlympicGamesin2008.→_________________________________________________3.MissDengteachesusEnglish.→.→.4.Weshouldmakeo
urcountrybecomemoreandmorebeautiful.→_________________________________________________5.Haveyouwateredtheflowers?———
——————————————--—?请把下面句子改为被动语态1.TheyshowedJackcarefullyhowtouseit.→__________________________________
_______________2.Beijingwillholdthe29thOlympicGamesin2008.→_____________________________________________________3.MissDengteachesusEnglish.→.
→.4.Weshouldmakeourcountrybecomemoreandmorebeautiful.→__________________________________________________________5.Haveyouw
ateredtheflowers?—————————————————--—?六、家庭作业•复习本课所学知识;•归纳要点,做好复习笔记;•完成本课的课时练习。