Unit6 When was it invented？（九年级全册）-薄冰初中英语同步语法（人教版）

九年级(全)语法练习题 参考答案 Unit 2 1.C Unit 3 3.A Ⅱ.1.B 4.C 5.A Ⅱ.1.A 3.A Unit 5 3.A Unit 7 1.A 2.A 5.A I, 1. shouldn 't be allowed 2. Yes, it should 3. should be allowed 4. be sent 5. be changed Unit 8 2.A Ⅱ.1. studying 2. lost 3. can't have 5. being listened to Unit 9 Ⅱ.1.C 3.A 4.B Unit 10 Unit 12 Unit 13 Unit 14 精准定位初中语法知识点|学习事半功倍九年级全 Unit 6 When was it invented? 语法专项练习 1.— - When was the telephone invented?电话是在什么时候被发明的? think it was invented in1876.我认为它是在1876年被发明的。 2.— Who was it invented by?它是由谁发明的? It was invented by Whitcomb Judson.它是由惠特科姆·贾德森发明的。 本单元须掌握的语法点为“一般过去时的被动语态”。 1.一般过去时的被动语态 (1)一般过去时的被动语态的构成:Was/wee+及物动词的过去分词+其他成分。如 The desk was made by my father.这张桌子是由我父亲做的。 hey were invented by Julie Thompson.它们是由朱莉·汤普森发明的。 This bridge was built in October last year.这座桥是去年十月份建的 2)句式变化 肯定句:主语+Was/were+及物动词的过去分词+其他成分 否定句:主语+ wasnt/ werent及物动词的过去分词+其他成分 般疑问句:Was/Were+主语+及物动词的过去分词+其他成分? 肯定回答:Yes,主语+Was/were. 否定回答:No,主语+ wasnt/ weren't His computer was not stolen by thieves last night.他的电脑昨天晚上没有被小偷偷走。 Your bike was not repaired last night, was it?你的自行车昨晚没有被修理,是吗? Was your homework finished in time yesterday evening?昨天晚上你及时完成家庭作业了吗? Yes, it was./No, It wasn t.是的,我做了。/不,我没做 仿写例句 2.各种时态的被动语态 以动词give为例,具体见下表 精准定位初中语法知识点|学习事半功倍 薄冰初中英语同步语 人教版 般时态 进行时态 完成时态 现在 am/is/ are given am/is/are being given has /have been given 过去 was/were given was/were being given had been given 将来 shall will be given shall will have been given 过去将来 should would be given should would have been given 含有情态动词can/ should/must/ could/ may be given 仿写例句 3.被动语态的使用情况 (1)不知道或没有必要说明动作的执行者是谁时。如 Such books are written for children.这些书是为儿童写的。 We haven' t been told about it.没有人通知我们这件事。 Printing was introduced to Europe from China.印刷术是从中国传入欧洲的 2)强调动作的承受者,这时可带由by引起的短语。如: The book was written by Mo Yan.这本书是由莫言写的。 The song was composed by a student.这首歌是由一个学生创作的。 Man-made satellites have been sent up into space by many countries. 许多国家已向太空发射了人造卫星。 (3)出于礼貌等方面考虑不愿说出动作的执行者是谁。如 He was asked to give a talk about how to learn english