Unit 9When was it invented? Unit 9When was it invented? 读读译译，看看你会发现什么？*Teenagers should be allowed to choose their own clothes.*I’m allowed to go shopping with my friends.*Your donation is greatly appreciated and the money is well used to help disabled people like me.*The movie will be put off until next month.*Hold on to your dreams ,one day they will be achieved.*After the earthquake, a lot of money was given away to charities.*The dog has been trained to understand different instructions.be + donebe + done 被动语态的基本结构 :有各种时态的变化时态构成一般现在时am/is/are ＋ done一般过去时was/were ＋ done现在进行时am/is/are+being+done一般将来时will/shall/be going to ＋ be ＋ done现在完成时has/have ＋ been ＋ done含情态动词can/must/should/may... ＋ be ＋done 1. 被动语态的构成 英语动词有两种语态： 主动语态 (the Active Voice) 被动语态 (the Passive Voice)A. 主动语态表示主语是动作的执行者。B. 被动语态表示主语是动作的承受者。We planted the tree.The tree was planted by us.We speak English.主语谓语宾语English is spoken by us.主语谓语宾语主动语态被动语态They cleaned the classroom yesterday. 昨天他们打扫了教室。The classroom was cleaned by them yesterday.昨天教室被他们打扫了。[1]. Now English ____ by more and more people all over the word. A. speaks B. is spoken C. was spoken一般现在时的被动语态：am / is / are + done一般现在时的被动语态：am / is / are + done[2]. The lost boy ____ at the street corner last night. A. was found B. is found C. was looked for一般过去时的被动语态：was / were + done一般过去时的被动语态：was / were + done[3]. More man-made satellites ____ in the future. A. will send up B. will be sent up C. are sent up一般将来时的被动语态：will + be + donebe going to + be + done一般将来时的被动语态：will + be + donebe g...
