初中英语被动语态-名师教学教案.doc

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1、好好学习 天天向上被动语态一、敎學目标: 1. 语言知识目标:1) 能掌握被动语态基本结构be + 过去分词(V.PP) + (by )2) 能掌握被动语态中考常考点（时态）: 一般现在时:am/is/are + v.pp 一般过去时:was (were) + v.pp一般将来时:will (shall) /be going to + be + v.pp情态动词的被动语态:should (must, can, may等) + be +v.pp3) 學会把主动语态的句子变为被动语态。2. 情感态度价值观目标:培养學生通过观看微课视频自主學习的能力。二、敎學重难点1. 敎學重点:1) 被动语态基本

2、结构be + 过去分词(V.PP) + (by )。2) 學会把主动语态的句子变为被动语态。2. 敎學难点:1) 被动语态中考常考点（时态）的掌握及主动到被动的变换。三、敎學过程Step 1 Warming and lead in1、介绍被动语态的基本结构。2、讲解被动语态的常见基本时态（一般现在、一般过去、一般将来）,及含有情态动词的被动语态。3、通过例句 “I clean my room every day.”来分析主动变被动的变化规则。强调改写注意事项:1）把原来的宾语提到前面作被动语态的主语; 2）把动词变成“be + 过去分词”; 3）主动语态中的主语变为介词by的宾语。Step 2

3、 Presentation 1、详细举例解析不同时态下的被动语态以及含有情态动词的被动语态一般现在时的被动语态:am/are/is + 过去分词1） People play football all over the world.Football is played all over the world by people .2）Mr. Green teaches us this term.We are taught (by Mr. Green)一般过去时的被动语态:was/were + 过去分词3）People built the Great Wall long ago. The Great

4、 Wall was built (by people) .4）People built the school in 1998. The school was built ( by people) in 1998.一般将来时的被动语态:will / be going to + be + 过去分词5）We will have a picnic next weekend.A picnic will be had by us next weekend.6）Our school is going to hold a sports meeting. A sports meeting is going to

5、 be held by our school .情态动词的被动语态:should/ must/ can等 + be + 过去分词7）You must throw the rubbish away at once.The rubbish must be thrown away (by you) at once. 8）We dont allow teenagers to have part-time jobs.Teenagers shouldnt be allowed (by us) to have part-time jobs.2、知识拓展带有双宾语（宾语既有人又有物）的被动结构是: 1）将间接

6、宾语(人)变为主语,直接宾语(物)不变。2）将直接宾语(物)变为主语,一般要在间接宾语前加介词to或for.一些特殊结构的被动结构: 1）感觉动词(hear, see等)改被动语态2）使役动词(let, make等)改被动语态如动词为 make, see, hear, watch 等,后接宾语补足语为不带“to”不定式时,变被动语态时要加上“to” 。如: I saw him fall off the tree. He was seen to fall off the tree.Step 3 Summary被动语态:1.当我们不知道谁是动作的执行者,2. 或者只需强调动作的承受者时,要用被动语态。被动语态结构:be + 过去分词(V.PP) + (by )时态、人称和数都通过be来表现。3