一般過去時的被動語態(tài)

1、.一般過去時的被動語態(tài)I. 定義：表示過去某一時間的被動動作或過去經(jīng)常性、習慣性的被動動作，無需說明動作執(zhí)行者時可省去“by 動+作執(zhí)行者”。II. 結(jié)構(gòu)： 一般過去時的被動語態(tài)：1. 肯定結(jié)構(gòu)：主語 + was / were +及物動詞的過去分詞+ by +動作執(zhí)行者Eg ：The teaching building was built six years ago.這座教學樓建于六年前。練習： () Many trees and flowers _ in our school last year.A.plantB.plantedC. haveplantedD.wereplanted注意： w

2、as, were 的使用由主語的單復數(shù)形式而定，主語為第三人稱單數(shù)名詞、代詞或 I 時用 was,主語為復數(shù)名詞、代詞they 或 you 時用 were 。2. 否定形式：主語 +was / were + not +動詞的過去分詞Eg ： The window was not broken by him.窗玻璃不是他打碎的。3.疑問形式： was /were +主語 +動詞的過去分詞4.Eg ：Was your homework finished in time yesterday evening?昨天晚上你及時完成家庭作業(yè)了嗎？Where were those buses made?那些公

3、共汽車是哪里制造的？注意： 一般疑問句通常把was / were置于主語前。特殊疑問句形式應將一般疑問句置于特殊疑問詞后面，反意疑問句形式應保留was / were。III. 一般過去時的被動語態(tài)疑問句的回答方法1. 一般疑問句形式肯定回答用“Yes, . was / were.”，否定回答用“No, . wasn t / weren t. ” ;2. 特殊疑問句應抓住特殊疑問詞進行回答，可用簡略方法，也可用完整方法;3. 反 意 疑問 句 也 應 用 “ Yes, . was / were. ”或 “ No, . wasn t / weren t. ”進行回答。精選.Eg ：（1 ）Was

4、your office cleaned yesterday afternoon?你的辦公室昨天下午打掃了嗎？ Yes, it was. / No, it wasn是的，t.打掃了。 / 不，沒有打掃。（2 ） Where was the party held last Sunday?上周日聚會在哪兒舉行的？ At home. / It was held at home.在家里。 /在家里舉行的。（ 3 ） Your debt was paid off at last, wasn你所t欠it?的債最終被還清了，是嗎？ Yes, it was. / No, it wasn是的，t.被還清了。 /不

5、，沒有被還清。練習： Last March, many trees _ along the streets to make our city more beautiful.A. were plantedB. were plantingC. had plantedD. planted ShenzhouX, China s fifth manned spacecraft, _into space on June 11.2013.A. has sentB. was sentC. will sendD. is sent Wow! You have a ticket to the Expo!ltby my uncle.He is working in Shanghai.A. has boughtB. had boughtC. is boughtD. was bought We are glad to hear that the terrorists _ by the brave policemen several days ago.A. are caughtB. were caughtC. have been caughtD.are goingtobe caught