被动语态的结构及用法教案.docx

1 九九 年年 级级 英英 语语 语语 法法 复复 习习 专专 题题 被动语态的结构及用法教案被动语态的结构及用法教案 梁仁昌梁仁昌 教学目标教学目标 1 复习动词过去分词的变化形式 2 学习掌握被动语态的基本结构 3 熟练巩固被动语态的正确用法 教学重难点教学重难点 1 被动语态的结构 2 被动语态的用法 3 主动与被动语态的相互转换 教学方法教学方法 讲授法 练习法 教学用具教学用具 黑板以及相关材料 教学过程教学过程 Step 1 Warm up Review 复习复习 一 一 Review the past participle s of the verbs 1 规则动词过去分词的构成 1 一般情况 ed 如 worked 以不发音的 e 结尾 直接 d 如 liked 2 以 辅音字母 y y i ed 如 study studied 3 以重读闭音节结尾 词尾仅一个辅音字母 双写词尾辅音字母 ed 如 stopped planned 2 特殊变化 课本附录 2 Step 2 Presentation 呈现呈现 一 语态概述 略讲一 语态概述 略讲 1 英语的语态是通过动词形式的变化表现出来的 分为主动语态与 被动语态两种 2 主动语态 即主语是动作的执行者 Eg We clean the classroom 3 被动语态 即主语是动作的承受者 Eg The classroom is cleaned by us 二 被动语态的构成 略二 被动语态的构成 略 被动语态的基本构成是 助动词 be 及物动词的过去分词 by be 本身无词义 但有时态 人称和数的变化 by 通常紧跟在被动句 谓语动词之后 有时也可省 1 现在 1 一般现在时 am is are done 2 现在进行时 am is are being done 略 3 现在完成时 have has been done 略 2 过去 1 一般过去时 was were done 2 过去进行时 was were being done 略 3 将来 一般将来时 shall will be done 略 三 三 被动语态句式 略被动语态句式 略 1 肯定 主语 be 过去分词 by The cars are made by them 2 否定 主语 be not 过去分词 by The cars are not made by 3 them 3 一般疑问句 Be 主语 过去分词 by Are the cars made by them 4 含有情态动词的被动语态 主语 情态动词 not be 过 去分词 by 四 四 被动语态的用法 被动语态的用法 1 强调动作的承受者 eg Her bike is stolen 2 淡化动作的执行者 没有说明 没必要指出 不知道 Eg This coat is made of cotton 这件大衣是棉制的 3 动作的承受者是谈话的中心 eg The picture was drawn by a boy under eight Step 3 Consolidation 巩固巩固 五 五 主动与被动的转换 时态不变主动与被动的转换 时态不变 A 主动中的宾语 被动语态的主语 B 谓语变成被动结构 be 过去分词 C 主动中的主语 被动语态的宾语 介词 by 之后 主格 宾格 Eg He cut down a tree A tree was cut down by him 1 S V O 1 主动句为带 no 的否定句 被动句常用 no neither never 等 Eg No one has ever beaten her at tennis She has never been beaten at tennis 2 主动句为带 any 构成不定代词的否定句 被动句常用 no 4 Eg We didn t notice anything special in his work Nothing special was noticed in his work 2 S V O1 O2 1 主动句的间接宾语 直接宾语 被动句的主语 Eg They gave the children many good books The children were given many good books Many good books were given to the children 2 只能主动句的直接宾语 被动句的主语 Eg She wrote Jim a letter A letter was written to Jim 3 宾语从句一般不可作为被动句的主语 Eg She told me when the film started I was told when the film started 六 六 被动语态的注意事项 被动语态的注意事项 1 by 短语省略的几种情况 1 无法确定动作执行者 eg The Great Wall was built thousands years ago 2 泛指动作执行者 eg Children should be given a good living 3 不愿说出动作执行者 4 前后文对执行者已有暗示 eg Your homework should be handed in early tomorrow 2 主 被动转化 被保留的间接宾语前还原介词 to for of give send take bring get 等 5 3 在被动语态中 感官动词和使役动词后面的不定式要带 to 听 hear 观 see watch 使 make 让 let 帮 help 4 没有被动语态的词 happen rise fit turn taste sound smell 等 Step 4 Practice 练习练习 1 More and more foreigners speak Chinese in the world now 改为被动 语态 2 Today Chinese teach in many schools around the world 3 Rice is grown in the south by them 改为主动句 4 Ba Jin one of the greatest writers in China regard as People Writer 5 A talk on Chinese history in the school hall next week A is given B has been given C will be given D will give 6 That s a nice watch Is it in China A make B making C made D makes 7 His grandma for two years A was died B has been dead C was dead D has died 8 The medicine cool clean and dry A must keep B must be kept C must be carried D must be in 9 The lost boy early this morning A found B was founded C was found D had found 10 The river smells terrible People must dirty A be stopped to throw B be stopped from throwing 6 C stop to throw D stop from throwing 板书设计内容板书设计内容 被动语态的构成 被动语态的构成 被动语态的基本构成是 助动词 be 及物动词的过去分词 by be 本身无词义 但有时态 人称和数的变化 by 通常紧跟在被动句 谓语动词之后 有时也可省 1 现在 1 一般现在时 am is are done 2 现在进行时 am is are being done 3 现在完成时 have has been done 2 过去 1 一般过去时 was were done 2 过去进行时 was were being done 3 将来 一般将来时 shall will be done 被动语态句式 被动语态句式 1 肯定 主语 be 过去分词 by The cars are made by them 2 否定 主语 be not 过去分词 by The cars are not made by them 3 一般疑问句 Be 主语 过去分词 by Are the cars made by them 4 含有情态动词的被动语态 主语 情态动词 not be 过 去分词 by