译林版高中英语必修三Uint1 Grammar and usage (II)教案（名校）.docx

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1、Unit 1 Nature in the balanceGrammar and usage (II)Ellipsis内容分析:本板块围绕单元话题，以“环保纪录片和环境志愿者活动”创设情境，引导学生在谈论关于环境保护的纪录片的对话中观察、探究省略这一语法现 主归纳其核心语法规则；接着通过单句和语篇两个层面的练习巩固所学 知；最后要求学生正确运用省略这一语法规则创作几条环保宣传语。教学目标：By the end of this section, students will be able to:1. learn about the functions of ellipsis;summarize t

2、he general rules of ellipsis;2. apply the rules of ellipsis in the context.教学重难点:To summarize the general rules;2. To apply the rules correctly and properly.教学过程:notStep 1 Review-Homework checking1. 一Have you seen this film?2. 一Will the perfoaYes, I have seen it.I hope it will not beThe emp promise.

3、3. You canoperabe out off till next week?ext week.promise, although he would like to break hisentary or you can watch the feature film.ooks grander now than it did when I visited it last year.orest, you can see many plants known to us and you can seeanimals.as alone, she often felt anxious and uncom

4、fortable.8.1 want to do something to help protect endangered animals, but I dont know how to help protect them.9. The boy could not go out to play basketball, even though he wanted to go out toplay basketball.10.1 like dancing more than I like singing. Suggested answers:1. Have you seen this film?一Y

5、es, I have (seen it).2. 一Will the performance be put off till next week?一I hope (it will) not (be put off till next week).3. The emperor cannot break his promise, although he would like to (break his promise).4. You can watch the documentary or (you can watch) the feature film.5. The opera house loo

6、ks grander now than (it did) when I visited it last year.6. In the Amazon rainforest, you can see many plants known to us and (you can see) thousands of animals.7. When (she was) alone, she often felt anxious and uncomfortable.8. I want to do something to help protect endangered animals, but I dont

7、know how (to help protect them).9. The boy could not go out to play basketball, even though he wanted to (go out to play basketball).10.1 like dancing more than (1 like) singing.【设计意图：复习巩固。】Step 2 Applying the rules1. Have students finish Bl on page 7Suggested answers:1) I cannot watch the documenta

8、ry this week end, though I would like to.2) Cows live on land, and fish in ihe water.3) The Amazon rainforest is smaller now than 5() years ago.4) He had planned to borrow a book on environment protection, but he didnt.5) When taking photos of wildlife, we should make every effort to ensure that we

9、keep away from the animals.2. Have students finish B2 on page 7, and then answer two questions:Suggested Answers:1)2)3)4)5)删除第3行删除第5行删除第8行删除第9行(take part in the forest clean-up activity)(is allowed here)(group)(cleaned up)(of the forest)(we) (that) (it had looked)删除第11行（youTe）Question 1: What is Grc

10、cnHopc?It is an organization devoted to protecting forests.Question 2: What will you receive if you take part in the activity?A medal.3. Have students finish B3 on page 7Possible answers:(1) Drive less, and we will have a greener world.(2) When building cities, think of Mother Nature【设计意图：通过总结归纳，让学生

11、识别省略的不同用法。】Step 3 Supplement 简单句中的省略.祈使句中的you和疑问句中的主语(You) Shut up!住嘴!1 .当上、下或前、后两个句子的宾语一致时，下句或后句常省略宾语一Do you know Miss Gao?一I dont know (her).2 .主语和谓语都很明确，此时为了简化或显得亲切等(You come) This way, please.(省略了 主语和谓语)复合句中的省略.状语从句的省略在 when, while, if, as if, though, although, as, until, once, whether, unless,

12、whenever等连接的状语从句中，当从句主语跟主句的主语相同且从句谓语中含 有系动词be或从句的主语为it时，则从句中主语和be动词常被省略。Will you be free this Sunday? If (it is) so, lets go camping.这个周口你有空吗？如果有，我们去野营吧。(2)在than, as等引导的比较状语从句中常省略某些成分。They dont use more water than (it is) necessary.他们使用的水没有超出需要量。注意：并非所有的状语从句都可以省略主语和be动词，由after, before, because 等词引导的

13、状语从句一般要改写成介词短语等，用动名词代替be动词。Because he was ill, he didnt attend the meeting.-*Because of being ill, he didnt attend the meeting.(正).定语从句的省略(1)在限制性定语从句中，作宾语用的关系代词whom, which, that可省略(但whom, which紧跟在介词后时不能省略)。The exact ycar (which/that) Angela and her family spent together in China was 2018.(2)修饰way的关系

14、词that/in which可以省略The way (that/ in which) he speaks to us is really annoying.1 .宾语从句的省略(1)及物动词后接宾语从句时，连接词that 一般可以省略；但如果及物动词接两 个或两个以上that引导的宾语从句，那么只有第一个that可以省略。I truly believe (that) beauty comes from within.(2)vvhcn, where, how和why引导的宾语从句有时可以仅保留引导词。I know that a movie star will come to our city b

15、ut I dont know when (he will come to our city).动词不定式的省略(1)当不定式在形容词 afraid, anxious, eager, glad, happy, ready, willing 等后作状语 时，t。后的内容常省略。You cant force him to answer the question if hes not ready to (answer the question).如果他不愿意回答这个问题，你不能强迫他。(2)某些使役动词，如 make, let, have 等和感官动词，如 see, watch, notice, ob

16、serve, hear等后面作宾补的不定式须省略to,但若这些动词用于被动语态，则to不省 略。We often hear her sing an English song in the classroom.She is often heard to sing an English song in the classroom.(3)并列的不定式可以省略后面的不定式符号too但若两个不定式之间表示对比 关系时，不能省略to。He likes to swim more than (to) skate.比起溜冰他更喜欢游泳。He believes it important to study rath

17、er than to make friends.(比较)他认为最重要的 是学习而不是交朋友。(4)当不定式在某些动词后作宾语时，to后的内容常可省略。常见的动词有agree, afford, expect, forget, hope, know, manage, pretend, remember, refuse, want, wish, would like 等。I would do it for you, but I dont know how to (do it for you).我愿意为你做这件事， 但是我不知怎么去做。(5)介词but, except (除了)前有实义动词do的某种形

18、式时，后面的不定式不带to。All he could do was nothing but wait and see.他所能做的只有等着瞧。(6)当不定式在 be going to, be able to, have to, ought to, used to 后作复合谓语时， 不定式可省略。They didnt visit their parents as much as they ought to (visit their parents).他。应该 多看望父母，但他们没有。注意：省略的不定式内容若含有作助动词用的have或be的任何形式时，to后要保留原 形的have或be。类似这样用法

19、的还有动词短语 ought to, be going to, be about to, be supposed to, have to, used to 及形容词 glad, happy, pleased, delighted 等。He didnt come, but he ought to have.介词的省略(1)一些与动词、名词或形容词搭配的介词常常可以省略，而保留介词后的动名 词 o 常见的结构有：have difficulty/trouble (in) doing sth.(2)表示时间的介词 at, on 和 in 在 next, last, this, these, yester

20、day, tomorrow, one, any, every, each, some等词之前时，一般省略。We go to school (on) every day except Sundays.其他省略形式使用so, not等时的省略在英语中，可以用so, not或其他方式来省略上文或问句中的一部分或整个句子。Can you finish your work today?一I think so.一I dont think so./I think not.注意：hope, guess, be afraid的否定形式只能用not的形式，不能用not. so的形式。The boys are not doing a good job at all, are they?一I guess not.【设计意图：进一步归纳总结和运用省略。】Step 4 HomeworkFinish the additional exercises.【设计意图：强化知识运用。】教学反思