人教版Book7Unit2grammar学案1/6Book7Unit2Grammar:passivevoice被动语态一、语态分类英语中有两种语态,主动语态和被动语态
主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者
英语中常用助动词“be+及物动词的过去分词”构成被动语态
如:Theywillbuildanewbridgeovertheriver
(主动)Anewbridgewillbebuiltovertheriver
(被动)二、被动语态常用的4种时态1
一般现在时(bedone)Wearenotallowedtoenterthechemistrylabwithoutateacher
一般将来时(willbedone)Cardswillbesentabroadbysea
现在进行时(bebeingdone)Englishlessonsarebeingbroadcastontheradio
现在完成时(have/hasbeendone)Ihavebeentoldthesportsmeetingmightbeputoff
用主动结构表示被动含义的情况有:1
beworth+doing值得做⋯⋯Thenovelisworthreadingagain
Thefilmisworthseeing
need(want/require)+doing等于need(want/require)+tobedone需要做⋯⋯Mywatchneedsrepairing(=toberepaired)
Thehousewantspainting(=tobepainted)
某些可以和well,easily,smoothly等副词连用的不及物动词如read,write,wash,clean,draw,burn,cook,sell,lock,open,shut等,且