5、n.9、Who___________thisbook___________(write)by?10、Theflowersmust_______________(water)often.学习指导二:主动语态和被动语态的相互转换方法:主宾互换,时态不变,动词转换,by句可省。例句:Hecleanedthedesk.People speak English .Thedeskwascleaned(byhim)English is spoken bypeople检测二:将下列句子变为被动语态1Wecleanourclassroomeveryda
6、y.Ourclassroom____________(byus)everyday. 2Hefinishedhisworkyesterday.Hiswork_____________yesterday. 3Tommadesomecardsforhisteachers.Somecards_____________forhisteachersbyTom. 4 They often plant trees in spring every year.________________________________5 We will hold
7、 the sports meeting next time_________________________________6 Did your father write the book?___________________________________- 学习指导三:被动语态的特殊用法1.动词send,pass,give,post,leave等变为被动语态时后应跟介词to,而buy,sing,cook,draw等后跟介词for.例如:Asthebirthdaygift,mymothergavemeanewpen.Astheb