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n sounds reasonable. 你的理由聽起來很合理。 The old building requires repairing. 這座古建筑需要修了。 He let Daming do his homework → Daming was let to do his homework. He saw Daming do his homework →Daming was seen to do his homework.4. 主動表被動: Need, want, require(要求,需要), deserve(應(yīng)得,值得), be worth值得),not bear(經(jīng)不住) 后面接doing主動表被動。 These clothes wash easily.這些衣服很易洗。 What will happen in 100 years. The dinosaurs disappeared about 65 million years ago. (銷售) , wash(洗), clean(打掃), burn(燃燒), cook(煮)等與副詞如well(好), easily(容易地), perfectly(十分地)等連用 ,描會事物的特性,用主動表被動,結(jié)構(gòu)是主語+動詞+加副詞。 We can repair this watch in two days. This watch can be repaired in two days. 含有情態(tài)動詞的主動句變成被動句時,由情態(tài)動詞+be+過去分詞構(gòu)成,原來帶to的情態(tài)動詞變成被動語態(tài)后to仍要保留。 All the people laughed at him. He was laughed at by all people. (3)把主動語態(tài)中的主語放在介詞by之后作賓語,將主格改為賓格。 (2)把謂語變成被動結(jié)構(gòu)(be+過去分詞) (根據(jù)被動語態(tài)句子里的主語的人稱和數(shù),以及原來主動語態(tài)句子中動詞的時態(tài)來決定be的形式)。 (1)把主動語態(tài)的賓語變?yōu)楸粍诱Z態(tài)的主語。 Your homework must be finished on 。 This book was written by 。 例如:The glass was broken by 。 (2)強調(diào)動作的承受者,而不強調(diào)動作的執(zhí)行者。 This bridge was founded in 。 例如:Some new puters were stolen last night. 一些新電腦在昨晚被盜了。 (1)不知道或沒有必要說明動作的執(zhí)行者是誰。6. 現(xiàn)在完成時:have/has been + done4. 現(xiàn)在進行時:am/is/are being + done2. 一般過去時:was/were+ done如果主語是動作的執(zhí)行者要用__________語態(tài);如果主語是動作的承受者,則用____________語態(tài)。初中英語被動語態(tài)小結(jié)一. 語態(tài)概述 語態(tài)是動詞的一種形式,它表示主語和謂語的關(guān)系。語態(tài)有兩種:________語態(tài)和__________語態(tài)。二. 被動語態(tài)構(gòu)成: :am/is/are + done3. 一般將來時:will/shall be + done5. 過去進行時:was/were being + done7. 過去完成時:had been + done8. 情態(tài)動詞:must / may / might + be done.三、被動語態(tài)的用法(不知道電腦是誰偷的) 四、主動語態(tài)變被動語態(tài)的方法例如: They make the bikes in the factory. _____________________________________________五、含有情態(tài)動詞的被動語態(tài) They should do it at once. It should be done at once. 六、特殊情況 1.