8B 被动语态讲解与练习一、概念：表示动作与主语之间是被动关系的句子是被动语态。二、主动语态与被动语态之间如何转换。主动语态变为被动语态口诀: 主变宾，宾变主，谓语变 be done ,时不变,“be”要随着主语变.三、各种时态的被动语态的构成1.一般现在时：主语+be（is/am/are）+过去分词 done+其它把下列句子改为被动语态 ① People use knives for cutting things.______________________________________________________________________② They produce silk in Suzhou and Hangzhou.______________________________________________________________________③ They speak English in Canada.______________________________________________________________________④ They grow rice in South China.______________________________________________________________________⑤ People use metal(金属) for making machines.______________________________________________________________________⑥ Where do people plant the trees?______________________________________________________________________2. 一般过去时：主语+be（was/were）+过去分词 done+其它把下列句子改为被动语态 ① The wind blew down the big tree last night.______________________________________________________________________② My sister took these photos on the Great Wall. ______________________________________________________________________③ They built many tall buildings in their hometown last year.______________________________________________________________________④ When did you invent the strange machine?______________________________________________________________________3. 一般将来时：主语+will+ be(不变形) +过去分词 done+其它或主语+be going to+ be(不变形) +过去分词 done+其它把下列句子改为被动语态 ① They will build another bridge in the city next year.______________________________________________________________________② Will you hold a sports meeting in your school next Friday?____________a sports meeting ____________________in our...
