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教学过程:
一、导入:应用已学的句子变被动语态进行导入。(PPT)
二、归纳:(通过练习各种时态的例句的转换进行归纳总结)
1. 先请同学们讨论,对被动语态进行归纳总结:被动语态
(一)主语与动词的关系:主动语态主语是动作的执行者,被动语态主语是动作的承受者。
(二)被动语态的基本结构:be + done(动词的过去分词)
一般现在时态的被动结构:am /is /are + done
一般过去时态的被动结构:was /were + done
一般将来时态的被动结构:will be + done
现在完成时态的被动结构:have/has been+done
含情态动词的被动结构:情态动词+ be + done
(三)被动语态的用法:当我们不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者时,或者只需要强调动作的承受者时,要用被动语态。
三、例题解析:(结合习题,教师给学生讲解如何分析并解决问题)
1. We speak English 。(变成被动语态)→
English is spoken by us .
2. They bought ten computers last term.(变成被动语态)
Ten computers were bought by them last term.
课堂练习:(学生完成课堂练习,先个体完成,然后同座核对检查,最后教师讲解)
七嘴八舌(将下列句子变为被动语态)
People use knives for cutting things.
The students clean the classroom twice a day.
I found the tickets on the floor.
五.拓展练习:
1、He told us to get to school early。
2、Our parents ask us to stay at home at night.
3、---Did you go to the party?
---No, I ____________(invite)
4、The bridge ______________ in three weeks.(finish)
5、You can go out if your homework ______(do)
6、This is one of the things that _________(see) that day.