被動語態(tài)的構(gòu)成：be + P.P.( done ) ① 一j般現(xiàn)在時的被動語態(tài)：am∕is∕are + P.P.The classroom is cleaned by the students every Friday .② 一a般過去時的被動語態(tài)：was∕were + P.P.That tree was cut down by them last night.③ 一l般將來時的被動語態(tài)：will∕shall + be + P.P.These pictures will bw sent to the museum next week .④ 過去將來時的被動語態(tài)：would∕should + be + P.P.They said that the piano would be delivered to your house soon .⑤ 現(xiàn)在進(jìn)行時的被動語態(tài)：am∕is∕are + being + P.P.The house is being painted by Tom.⑥ 過去進(jìn)行時的被動語態(tài)：was∕were + being + P.P.The bridge was being repaired by the workers this time last Sunday.⑦ 現(xiàn)在完成時的被動語態(tài)：have∕has + been + P.P.All the flowers have been watered by the farmer.⑧ 過去完成時的被動語態(tài)：had + been + P.P.Tom said that work had been finished.⑨ 情態(tài)動詞的被動語態(tài)：情態(tài)動詞 + be + P.P.These flowers must be watered every day .\x0duuc末е▃ha┄s《vus《l長Υ丁