专题复习：专题十动词的语态

1、课时教案课题专题十动词的语态备课时间No.33第单课时第课导学目标1. Grasp the key vocabulary, phrases and target Ian guage.2. To train the students writing skills.导学重点1. Grasp the key vocabulary, phrases and target Ian guage.2. To train the students' writing skills导学难点1. To train the students' writing skills2. The key sent

2、ence patter ns.导学 准备The textbook and multimedia.板 书 设 计动词的语态主动语态被动语态导学流程自备空间释疑点八、一、被动语态的构成形式（中考要求）1. 被动语态的基本时态变化被动语态通常为十种时态的被动形式，被动语态 由be+过去分词构成，be随时态的变化而变化。以 do为例，各种时态的被动语态形式为：1） am/is/are +done过去分词）一般现在时例 Visitors are requested not to touch the exhibits.2） has /have bee n done现在完成时例 All the prepar

3、ations for the task have been completed, and we're ready to start.3）am/is /are being done 现在进行时例 A new cinema is being built here.4）was/were done 般过去时例 I was given ten minutes to decide whether I should reject the offer.2. 被动语态的特殊结构形式1）带情态动词的被动结构。其形式为：情态动词 + be+过去分词。例 The baby should be taken go

4、od care of by the baby-sitter.2）有些动词可以有两个宾语，在用于被动结构 时，可以把主动结构中的一个宾语变为主语，另 一宾语仍然保留在谓语后面。通常变为主语的是 间接宾语。例 His mother gave him a present for his birthday. 可改为 He was given a present by his mother forhis birthday.拨3）当动词+宾语+宾语补足语”结构变为被动语态时，将宾语变为被动结构中的主语，其余不动。例 Some one caught the boy smok ing a cigarette.

5、 可改为 The boy was caught smoking a cigarette.4）在使役动词 have, make, get以及感官动词 see, watch, no tice, hear, feel, observe等 后面不定式作兵语 补语时，在主动结构中不定式to要省略，但变为被动 结构时，要加to。例 Some one saw a stra nger walk into the build ing. 可改为 A stra nger was see n to walk in to the buildi ng.5）有些相当于及物动词的动词词组，如动词+介词” 动词+副词”等，也可

6、以用于被动结构，但 要把它们看作一个整体，不能分开。其中的介词或副 词也不能省略。例 The meeting is to be put off till Friday.3.非谓语动词的被动语态v.+ing形式及不疋式to do也有被动语态（般 时态和完成时态）。例 I don't like being laughed at in the public.二、如何使用被动语态第2页/共4页学习被动语态时，不仅要知道被动语态的各种语 法结构，还要导学 流程自备空间释疑点拨知道在哪些情况中使用被动语态。1.讲话者不知道动作的执行者或不必说出动作 的执行者（这时可省by短语）。例 My bike

7、 was stolen last night.2借助被动的动作突出动作的执行者。例 I was given ten minutes to decide whether I should accept the offer.3.为了更好地安排句子。例 The well-known person got on the bus and was immediately recognized by people.（一个主语就够了） 二、谓语动词的主动形式表示被动意乂1. 英语中有很多动词如 break, catch, clea n, drive, lock, open, sell, read, write

8、, wash等，当它们被用 作不及物动词来描述主语特征时，常用其主动形式 表达被动意义，主语通常是物。例 This kind of cloth washes well.2. 表示发生、进行”的不及物动词和短语，如： happe n, last, take place, break out, come out, come about, come true, run out, give out, turn ou等以主动形 式表示被动意乂。例 How do the newspapers come out?这些报纸 是如何引出来的呢？3. 系动词没有被动形式，但有些表示感受、感官 的连系动词feel, sou nd, taste, b