【正文】
ition must be ___________(hand)in after class.4)The young trees should be ___________(plant)in spring. 四、被動(dòng)語(yǔ)態(tài)的用法(1)不知道或沒(méi)有必要說(shuō)明動(dòng)作的執(zhí)行者是誰(shuí)。例如:Some new puters were ___________(steal)last night.一些新電腦在昨晚被盜了。(不知道電腦是誰(shuí)偷的)This book was ___________(publish)in 1981. 這本書(shū)出版于1981年。(2)強(qiáng)調(diào)動(dòng)作的承受者,而不強(qiáng)調(diào)動(dòng)作的執(zhí)行者。例如:The window was ___________(break)by Mike. 窗戶是邁克打破的。This book was ___________(write)by him. 這本書(shū)是他寫(xiě)的。Eight hours per day for sleep must be guaranteed. 每天8小時(shí)睡眠必須得到保證。 五、主動(dòng)語(yǔ)態(tài)變被動(dòng)語(yǔ)態(tài)的方法(1)把主動(dòng)語(yǔ)態(tài)的賓語(yǔ)變?yōu)楸粍?dòng)語(yǔ)態(tài)的主語(yǔ)。(2)把謂語(yǔ)變成被動(dòng)結(jié)構(gòu)(be+過(guò)去分詞)(根據(jù)被動(dòng)語(yǔ)態(tài)句子里的主語(yǔ)的人稱和數(shù),以及原來(lái)主動(dòng)語(yǔ)態(tài)句子中動(dòng)詞的時(shí)態(tài)來(lái)決定be的形式)。(3)把主動(dòng)語(yǔ)態(tài)中的主語(yǔ)放在介詞by之后作賓語(yǔ),將主格改為賓格。例如: the people ___________(laugh)at him. → He was ___________(laugh)at by all people. ___________(make)the bikes in the factory.→ The bikes are ___________(make)by them in the factory.六、補(bǔ)充一些賓補(bǔ)動(dòng)詞如make, see, hear等在主動(dòng)語(yǔ)態(tài)中可以接動(dòng)詞原形(實(shí)為省略to的動(dòng)詞不定式)作為賓語(yǔ)補(bǔ)足語(yǔ)的動(dòng)詞在變被動(dòng)語(yǔ)態(tài)是一定要注意恢復(fù)to。如:He made me stand outside. → I was made to stand outside(by him).I saw him play football. → He was seen to play football(by him). 專項(xiàng)練習(xí)一、選擇題( ) a new library _____ in our school last year?A. Is。 built B. Was。 built C. Does。 build D. Did 。 build( )2. An accident ____ on this road last week.A. has been happened B. was happened C. is happened D. happened( )(棉花) ____ in the southeast of China.A. is grown B. are grown C. grows D. grow( ) talk on Chinese history _____ in the school hall next week. A. is given B. has been given C. will be given D. gives( ) many trees ____ this year? A. are planted B. will plant C. have been planted D. planted( ) lot of things ____ by people to save the little girl now. A. are doing 1