被动语态大综合被动语态的构成:be+done(过去分词)所有人称和时态的变化是通过be的变化表现出来的
一般现在时:am/is/are+done如:Theroomiscleanedbymeeveryday
一般过去时:was/were+done如:Theroom____________bymejustnow
一般将来时:willbe+done如:Theroom_________________bymetomorrow
现在完成时:have/hasbeen+done如:Theroom_________________bymealready
情态动词:can/must/should/maybe+done如:Theroommust______________byusafterschool
Itisourdutytokeepitclean
注意1:把主动句改为被动句的时候必须注意------时态的统一1
MymotherallowsmetowatchTVonweekends
=I__________________towatchTVbymymotheronweekends
MymotherallowedmetowatchTVlastnight
=I__________________towatchTVbymymotherlastnight
Wewillplantsometreesnextyear
=Sometrees____________________________by______nextyear
注意2:被动语态的否定:be+not+done1
TheteawasinventedbyChineselongtimeago
(改否定)Thetea_________________byChineselongtimeago
It`ssaidthatEnglishiswi