1、1. 一般现在时的被动语态： is / am / are + 及物动词的过去分词,被动语态的用法,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,Our classroom is cleaned every day.,2.一般过去时态中的被动语态,was/were + 及物动词的过去分词,A new shop was built last year.,3.一般将来时态中的被动语态,will + be + 及物动词的过去分词,A new hospital will be built in our town.,4.现在完成时态中的被动语态,have/has + been + 及物动
2、词的过去分词,This book has been translated into many languages.,5. 含情态动词的被动语态,情态动词+be+及物动词的过去分词,The blackboard should be cleaned clearly before class.,Change the following sentences into the Passive Voice （把下列句子变成被动语态）,1.They make TV sets in that factory .,2.Northwest China grows the best cotton .,3.They
3、use this room for playing Ping pong .,4.Bell invented the telephone in 1876.,TV sets are made in that factory,The best cotton is grown in Northwest China .,This room is used for playing Ping pong,The telephone was invented by Bell in 1876.,练习,5.The manager made them work 10 hours a day .,6.China has sent up man made satellites into space,7. You should water trees often .,8.You must not plant trees in very dry earth .,They were made to work 10 hours a day.,Man made satellites have been sent up into space .,Trees should be watered often .,Trees must not be planted in very dry earth .,
