語法專講：被動語態(tài)

1、語法專講：被動語態(tài) 結(jié)構(gòu)：be+過去分詞 一般現(xiàn)在時：一般現(xiàn)在時：The pens are used to write.(am/is/are+done) 一般過去時：一般過去時：His arm was caught under a rock.(was/were+done) 現(xiàn)在進行時：現(xiàn)在進行時：Computers are being used these days.(am/is/are+being+done) 過去進行時：過去進行時：was/were being+done. 一般將來時：一般將來時：will be +done 過去將來時：過去將來時：would be +done 主動變被動：

2、The teacher made Tom do homework Tom was made to do homework by teacher. 注：使役動詞中省略的to在被動語態(tài)中要還原出來。 1.Most people are speaking English . English is being spoken by most people. 2.Dr.Wang will set up a group to help homeless people. A group will be set up to help homeless people by Dr.Wang. 3.Mom lets

3、me do chores. I am let to do chores by mom. The teacher told us not to talk in class We were told not to talk in class by teacher. 賓語從句： 三個必須：1.引導(dǎo)詞 2.主從時態(tài)一致 3.保持陳述句語序 分三類： 1.陳述句用that來引導(dǎo)； 2.一般疑問句用if引導(dǎo)，表是否 3.特殊疑問句用疑問詞引導(dǎo) 改賓語從句 He asked “When will Tom come back? He asked when Tom would come back. I dont

4、 know should I say anything to mom? I dont know if I should say anything to mom. Can you tell mewhats her name? Can you tell me what her name is. I believe The activities are important for kids future. I believe that the activities are important for kids future. . She saidThe sun goes around the earth. She said the sun goes around the earth. 注：當(dāng)從句中表示客觀事實，真理時，仍 用相應(yīng)的一般現(xiàn)在時，即該用什么時態(tài)就 用什么時態(tài)。 She