选修七module2导学案2

1、选修七Module 导学案班级：姓名：设计人：陈巍 第2 课时 课型： Grammar 备课审核： 教研组审核： 教务处审核： Period 2 Grammar一 学习目标： 知识目标：巩固时间状语从句和省略 能力目标：A学会谈论“过去与现在”,（注意use to的用法）；B提高学生的语言表达能力； 情感目标：温故知新，学以致用。【重难点】时间状语从句和省略课前预习案一Grammar: 时间状语从句常见引导词；when, while, as(当时); as soon as, the moment, directly, immediately(一就); until, till(直到); befo

2、re(在.之前); after(在之后); since, ever since(自以来); once(一旦); whenever(任何时候); every time, each time(每次).1时间状语从句 = 1 * GB2 when 的用法 = 1 * GB3 When 引导的时间状语从句的谓语动词可以是延续性的，也可以是非延续性的，既可以是从句动作与主句动作同时发生，也可表示从句的动作先与主句动作发生。When he reached home, it was getting dark. (主从句动作同时发生)I shall tell her the good news when sh

3、e comes. (从句动作先于主句动作发生) = 2 * GB3 当 when 引导的从句谓语动词是延续性的，when 类似于 while.When (while) he was crossing the road, he was knocked down by a passing car. = 3 * GB3 when 还可以做并列连词，表一个动作即将或正在进行的时候，突然发生了另外一件事。其意义为“那时”“这时”，相当于 at this that timeWe were having a meeting when someone broke into.We were about to g

4、o out, when it suddenly began to rain. = 4 * GB3 when 还可表原因“既然”It was foolish of you to take a bus when you could easily walk there in five minutes. = 2 * GB2 while的用法 = 1 * GB3 while 引导的从句谓语动词为延续性的，表示“与同时”“在其间”从句常用进行时态，强调某一时间内主句和从句的动作同时发生。Someone knocked at the door, when (while) I was watching TV.

5、Strike while the iron is hot. = 2 * GB3 while 有时可以表示前后两种情况进行对比，作为并列连词 “而，却”He likes pop music, while I am fond of folk music. While 放在句首引导从句，译为“尽管” While I think you idea is good, I dont quite agree with everything. = 3 * GB2 as的用法as 表示“当时候”或“一边一边”，as 的从句中可使用延续性动词，也可使用非延续性动词。He sang as he was workin

6、g.As time goes by, we have a better understanding of things around us. As I get older, I get more optimistic.(4) till, until 引导的时间状语从句till 引导的时间状语从句主句的动词常是延续性的。而notuntil 引导的时间状语从句主句的动词常是短暂性的We will stay here tilluntil it stops raining.John did not announce the news till he was sure of it. Not until

7、置于句首时，主句的主语和谓语要倒装，表示加强语气。Not until Mary had heard that sound was she really frightened.(5) as soon as, immediately, directly, once, the instantly, instantly, no sooner. than, hardly scarcelywhen 引导的时间状语从句，表示“一就”I came immediately I got your message.Once you lose confidence, you wont be able to do th

8、e work well.Jack had hardlyscarcely seen me when he left the classroom.当no sooner, hardly, scarcely 置于句首时，主句要部分倒装.Hardlyscarcely had we gathered in the wheat when it began to rain.No sooner had we arrived at the station than the train left. (6) before 和since 若表达“还未就; 不到就，才，趁，还没来得急”时，需用连词before. We h

9、ad sailed four days and four nights before we saw land . 我们航行了四天四夜才看到了陆地。 We hadnt run a mile before he felt tired. 我们跑了还不到一英里他就累了。 Please write it down before you forget it. 趁你现在还没忘，请把记下来。 Before I could get in a word he had measured me .我还没来得及插话，他就给我量了尺寸。 before 在从句中谓语动词不用否定式。Before they reached t

10、he station, the train had gone.他们（还没）到火车站以前，火车就开走了。It will be + 一段时间+ before 多久之后才。 It will be half a year before I come back. = 4 * GB3 在“It is + 一段时间 + since 从句”句型中，时间的计算一律从动作完成或状态结束时开始。从句动词是短暂性动词按原意思翻译，延续性动词按相反的意思翻译。It is three years since the war broke out.战争爆发以来三年了。 It is three years since he l

11、ived here.他离开这里三年了。Grammar: 省略状语从句的省略在表示时间、地点、条件、方式、比较或让步等的状语从句中，如果谓语含有动词be, 主语又和主句主语一致，或主语是it，那么从句中的主语和谓语的一部分往往可以省略。Eg. When walking along the river, she met a stranger.If heated to a high temperature, water will change to vapor.动词不定式省略，只保留to的场合 1. 不定式作某些动词的宾语时，常见动词如like, love, care, hope, wish, ex

12、pect, afford, forget, prefer, refuse, mean, try, advice, persuade, agree, want, remember, manage等。 You can do it this way if you care to. -You should have thanked her before you left. -I mean to , but when I was leaving I couldnt find her anywhere.2. 作介词but, except, besides的宾语时，前面有实义动词do时，常省略不定式符号to

13、. Tom had nothing to do besides answer betters this morning.3. 不定式作某些复合谓语时，常见结构如be able to, be going to , have to, ought to, used to等。 He doesnt like fish but he used to. 注意：当省略的内容是作动词用的have或be的任何形式时,to 后面保留原形have或be. He didnt come, but he ought to have. Alice is not what she used to be.II.我的疑惑 请你将预

14、习中未能解决的问题和有疑惑的问题写下来，等待课堂上与老师和同学探究解决。_课内探究案.Translate the following sentences into English by using the words in bracket.(1) 我一见到他就告诉他这个消息。（as soon as）(2) 她一来到教室，就开始读英语。(as soon as)(3) 我刚一到家天就下雨了。(no sooner than )(4) 他刚做完试卷，铃声就响了。(hardly when )(5) 他一来，你就可立即离开。（immediately）(6) 我一见到你，就认出你来了。(the moment

15、)(7) 每次见面，他都向我问候，说“你好！”(each time / every time)(8) 到18岁的时候，她已大学毕业了。(by the time). Ask Ss to change the sentences into elliptical sentences.She likes singing and she likes dancing.Is this the driver that you talked about yesterday?The man who is sitting by the window is Mr. Smith.He could not decide

16、whether to buy the car or not to buy the car.When it is heated, the metal expands.课后总结请对本节课的内容进行二次领会和记忆。我的收获-反思静悟、体验成功 _Suggested Answers:(1) Ill tell him the news as soon as I see him.(2) As soon as she came into the classroom, she began to read English.(3) I had no sooner got home than it began to

17、 rain. / No sooner had I got home than it began to rain.(4) He had hardly finished the test when the bell rang. / Hardly had he finished the test when the bell rang.(5) You may leave immediately he comes.(6) I recognized you the moment I saw you.(7) He greeted with “Hello!” each time he saw me.(8) By the time she was 18, she had already graduated from the u