1、Passive Voice,Unit 13 We are trying to save the earth,一、何時使用被動語態(tài),1. 不知道誰是動作的執(zhí)行者或沒有必要,Paper is made from wood.,He was wounded in the fight.,2. 需要強調(diào)動作的承受者時,Books and newspapers in the reading room mustnt be taken away.,He was awarded first prize in that contest.,3為了使語氣婉轉(zhuǎn)，避免提及自己或?qū)Ψ蕉?用被動語態(tài)，或由于修飾的需要，使用被

2、動 語態(tài)，使句子得以更好的安排。,The construction of the new lab must be completed by the end of next month.,Electricity is used to run machines.,Discusion: the active voice 主動語態(tài) & the passive voice被動語態(tài),什么時候用主動語態(tài)或被動語態(tài)？ 主動語態(tài)和被動語態(tài)的動詞結(jié)構(gòu)是怎樣的？ 3. 主動語態(tài)句子變成被動語態(tài)句子哪三個部分要變？怎么變？,什么時候用主動語態(tài)或被動語態(tài)？,主語是動作的執(zhí)行者就用主動語態(tài) 主語是動作的承受者就用被動語態(tài)

3、,We study English at school. English is studied by us at school.,我們用木頭做家具。 那只老鼠被貓抓住了 相機是用來照相的。,Discusion 1: the active voice 主動語態(tài) & the passive voice被動語態(tài),主動語態(tài),被動語態(tài),被動語態(tài),p.t.,Discusion 2: the active voice 主動語態(tài) & the passive voice被動語態(tài),We call the doctor. People dont play football here. The truck was c

4、leaned yesterday.,Decide if these sentences are active or passive.,Mr Chen teaches us English. The classroom was cleaned.,active,active,passive,active,passive,Exercise ：,1.The key _for locking the classroom door. A.uses B. is used C.is using D.use 2.A new school _over there two years ago. A. built B

5、. was built C. build D. builds 3.The lost child _ on October 7,1998. A.was found B. is found C. found D. find 4.A talk on Chinese history_in the school hall yesterday. A.is given B.give C.was given D. gave,B,B,A,C,Disscusion 3: the active voice 主動語態(tài) & the passive voice被動語態(tài),主動語態(tài)句子變成被動語態(tài)句子哪三個部分 要變？怎么變

6、？,1. 把原句的賓語改為主語。,2. 把原句的謂語動詞改為被動語態(tài)結(jié)構(gòu)( be + p.p.)。,3. 把原句的主語改為by的賓語（用賓格）,可省略。,e.g. She cleaned the room.,The room was cleaned ( by her).,1.They play basketball in their school.(改為被動語態(tài)) Basketball_ _in their school by them.,is played,2. The naughty boy broke the window. The window _ _ by the naughty b

7、oy. 3. People speak English all over the world. English _ _ by people all over the world.,Exercise ：,was broken,is spoken,Exercise ：translate the following sentences,這些照片是上星期拍的 。 這本書是魯迅寫的。 史密斯一家被邀請參加了派對。,These photos were taken last week.,This book was written by Lu Xun.,The Smiths were invited to the party.,Summary：,什么時候用主動語態(tài)或被動語態(tài)？ 主動語態(tài)和被動語態(tài)的動詞結(jié)構(gòu)是怎樣的？ 3. 主動語態(tài)句子變成被動語態(tài)句子哪三個部分要變？怎么變？,1.I washed my clothes once a day.,My clothes was washed (by me) once a day.,I was washed my clothes once a day.,X,2.They took Jim to the hospital.,3.Tom closed the shop just now.,They was took Jim to t