牛津译林版8bunit7被动语态讲解与练习.docx

精品文档 精品文档 精品文档 精品文档 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. 1.一般现在时：主语 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 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. 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. 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 school next Friday ? ③ They are going to invite a lot of pop stars to the charity show this evening. A lot of pop stars to the charity show this evening. ④ We are not going to hold a parents’ meeting tomorrow. 4. 含情态动词：主语+情态动词+be（不变形）+过去分词 done+ 4. 含情态动词：主语+情态动词+be（不变形）+过去分词 done+其它 把下列句子改为被动语态 ① Amy can take good care of Tina. ② You can find a lot of differences between the two languages. ③ They should collect money for the project. ④ We can finish the work in two days. ⑤ We must water the flowers every day. 四、使用被动语态的注意点： 感官动词、使役动词等在主动语态中后接不带 to 动词不定式变成被动语态时要加上“to” 即：----see/hear/notice sb. do sth.变为了 sb. be seen/heard/noticed to do sth. ----let/make/have sb. do sth.变为了 sb. be let/made/had to do sth. 把下列句子改为被动语态 ① The boss makes the workers work all day. ② I often hear her sing in the room. ③ I saw him enter the reading room yesterday afternoon. ④ Daniel saw the boy run yesterday. 常见变被动的表达 see sb. doing sb. be seen doing hear sb. doing sb. be heard doing watch sb. doin sb. be watched doing notice sb. doing sb. be noticed doing tell sb. to do sb. be told to do ask s