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1、語態(tài)有兩種：主動語態(tài)和被動語態(tài)?！ ≈髡Z是動作的發(fā)出者為主動語態(tài)；主語是動作的接受者為被動語態(tài)?！?）若賓語補(bǔ)足語是不帶to的不定式，變?yōu)楸粍诱Z態(tài) 時，該不定式前要加"to"。此類動詞為感官動詞。feel,hear,help,listento,lookat,make,observe,see,notice,watch Theteachermademegooutoftheclassroom.-->Iwasmadetogooutoftheclassroom(bytheteacher). Wesawhim
2、playfootballontheplayground.-->Hewasseentoplayfootballontheplayground. 2）情態(tài)動詞+be+過去分詞，構(gòu)成被動語態(tài)?！ oalcanbeusedtoproduceelectricityforagricultureandindustry.let的用法? 1）當(dāng)let后只有一個單音節(jié)動詞，變被動語態(tài)時，可用不帶to的不定式?！ heyletthestrangego.--->Thestrangewasletgo. 2）若let后賓補(bǔ)
3、較長時，let通常不用被動語態(tài)，而用allow或permit代替。 Thenurseletmegotoseemyclassmateinthehospital. ---->Iwasallowed/permittedtoseemyclassmateinthehospital短語動詞的被動語態(tài)? 短語動詞是一個整體，不可丟掉后面的介詞或副詞?！ hisisaphotoofthepowerstationthathasbeensetupinmyhometown. Mysisterwillbetakenc
4、areofbyGrandma. Suchathinghasneverbeenheardofbefore表示"據(jù)說"或"相信"的詞組? believe,consider,declare,expect,feel,report,say,see,suppose,think,understandItissaidthat… 據(jù)說 Itisreportedthat…據(jù)報(bào)道 Itisbelievedthat… 大家相信 Itishopedthat… 大家希望Itiswellknownthat…
5、眾所周知 Itisthoughtthat… 大家認(rèn)為Itissuggestedthat… 據(jù)建議 Itistakengrantedthat… 被視為當(dāng)然 Ithasbeendecidedthat…大家決定 Itmustberememberthat…務(wù)必記住的是ItissaidthatshewillleaveforWuhanonTuesday.不用被動語態(tài)的情況? 1)不及物動詞或動詞短語無被動語態(tài)：appear,diedisappear,end(vi.結(jié)束),fail,happen,las
6、t,lie,remain,sit,spread,standbreakout,cometrue,fallasleep,keepsilence,loseheart,takeplace. Afterthefire,verylittleremainedofmyhouse. 比較：rise,fall,happen是不及物動詞；raise,seat是及物動詞?！ ?錯)Thepricehasbeenrisen. (對)Thepricehasrisen. (錯)Theaccidentwashappenedlast
7、week. (對)Theaccidenthappenedlastweek. (錯)Thepricehasraised. (對)Thepricehasbeenraised. (錯)Pleaseseat. (對)Pleasebeseated. 要想正確地使用被動語態(tài)，就須注意哪些動詞是及物的，哪些是不及物的。特別是一詞多義的動詞往往有兩種用法。解決這一問題唯有在學(xué)習(xí)過程中多留意積累?！?)不能用于被動語態(tài)的及物動詞或動詞短語：fit,have,hol
8、d,marry,own,wish,cost,notice,watchagreewith,arriveat/in,shakehandswith,succeedin,sufferfrom,happento,takepartin,walkinto,belongto Thiskeyjustfitsthelock. Yourstoryagreeswithwhathadalreadybeenheard. 3)系動詞無被動語態(tài)：appear,bebecome,fal
