江苏省宜兴市屺亭中学八年级英语下册《Unit 3 Online travel》语法聚焦辅导 牛津版.doc

语法聚焦辅导本单元我们学习的语法重点是被动语态，对此，我们作了下面的归纳总结，希望同学们能够更好地掌握其要点。1. 请观察下面每组例句中主语、谓语、宾语的变化，补全“用法归纳一”中所缺部分。【用法归纳一】主动语态句子的主语在被动语态句子中常常变为介词 _的宾语，有时也可 _；主动语态句子的谓语动词在被动语态句子中需变为“be动词（有人称、时态、数的变化）+原句动词的_”；主动语态句子的宾语在被动语态句子中作_；主动语态句子变为被动语态时，时态、时间状语等_（也需要 / 不需要）变化。 by 省略 过去分词 主语 不需要2 请观察下面被动语态例句中句式的变化，完成“用法归纳二”。the flowers are watered by them every day.the flowers arent watered by them every day.are the flowers watered by them every day?yes, they are. / no, they arent.when are the flowers watered?【用法归纳二】 主语+ be +过去分 词（+其它）被动语态否定句的构成 _被动语态一般疑问句的构成 _ 肯定回答_ 否定回答_被动语态特殊疑问句的构成 _主语+ be + not +过去分词（+其它） be +主语+过去分词（+其它） yes, 主语+be no, 主语+be +not 疑问词+be +主语+过去分词（+其它3 请观察下面的例句，看看一般现在时的被动语态的构成与一般过去时的被动语态的构成有什么区别，然后补全“用法归纳三”中所缺的内容。1) the classroom is cleaned every day. the digital camera was made in beijing. 2) the computers are used every day.these questions were discussed at the meetingyesterday.【用法归纳三】两者的区别体现在 _上。一般现在时的被动语态用is / am / are+过去分词，而一般过去时的被动语态用 _+过去分词。 be动词 was / were注意：如果主动语态句子中的谓语动词是不及物动词时，此句不可以变为被动语态。task for you 请将下列句子改为被动语态。 请从各题后所给的a、b、c、d四个选项中选出最佳答案。( )1. li ying _by a kind woman when she couldnt go to school last year.a. is helping b. was helped c. has helped d. will help( )2. was the cup broken by tom? _ , it _. it was broken by john.a. yes, is b. yes, was c. no, isnt d. no, wasnt ( )3. when _ the telephone _, do you know?yes. in 1876. a. was, invented b. is, invented c. did, invent d. does, invent 1. the baby is taken care of by us when his parents go out. 2. the model p