必修2 module 3 Grammar1时间状语从句教学设计.docx

1、必修2 module 3 Grammar1时间状语从句教学设计Module 3 musicTeaching Plan for the Adverbial Clauses of time 教材分析这是外研版教材高一英语必修二第三模块的语法课，本节课要学习的是时间状语从句。时间状语从句是高考句法部分考查的重点内容之一，也是学生比较熟识的一种复合句，近几年高考重点是考查时间状语从句的连接词，尤其是时间状语从句中when, while和as的用法及其区别。学生分析时间状语从句对于学生来说是比较熟识，时间状语从句的学习是贯穿在整个初高中的学习阶段，但时间状语从句中的when ,as和while的区别对于

2、学生来说还是一个难点。三教学目标：The ObjectivesThe students will learn about the Adverbial Clauses of time by reading some sentences. .They will know 3 main conjunctions of the Adverbial Clauses of time.At the end of the class, they can fill in some blanks using proper conjunctions.4. The students will learn some o

3、ther conjunctions of the Adverbial Clauses of time.教学重点The basic usages of the three conjunctions-when, while, as of the Adverbial Clauses of time.Know some other conjunctions of the Adverbial Clauses of time.1.准确掌握每一个连词的含义。 2.注意主句和从句的时态呼应。五. 教学难点1. The differences of the three conjunctions of the A

4、dverbial Clauses of time.2. Learn some other conjunctions of the Adverbial Clauses of time.六.教学策略归纳法和启发式教学七.教学媒体多媒体和练习卷八.教学步骤Step 1 Lead-in Warming up Its/will be +一段时间 before+一般现在时 表示过了多久才Its/will （not) be +一段时间 before+一般现在时 表示没过多久就it s been+一段时间 since +一般过去时 It will be a long time before we meet a

5、gain.It has been 20 years since we first saw each other.一些表示时间的名词词组也可引导时间状语从句。如：the moment, the minute, （一就）next time（下次）, every/each time （每次）。e.g. The moment he comes, I will tell him.as soon as, immediately, directly, instantly 等副词也可引导状语从句。表示“一就”。As soon as I reach home, I will tell him the news.

6、5) a. hardly when b. scarcely when / before c. no sooner than 都相当于as soon as，用以引导时间状语从句。注意：当 hardly, scarcely及no sooner位于句首时,从句中的主谓要倒装。e.g. No sooner had she gone than it happened3. _ the day went on, the weather got worse.With B. since C. As D. While4. He was halfway through his meal _ a familiar v

7、oice came to his ears.why B. where C. when D. while5. Hardly _ into the village _ it began to rain.we had got; when B. we got; thanC. had we got; when D. did we get; than一、when可以和延续性动词连用，也可以和短暂性动词连用；而while和as只能和延续性动词连用。 Why do you want a new job when youve got such a good one already？（get为短暂性动词）你已经找

8、到如此好的工作，为何还想再找新的？ Why do you want a new job when youve got such a good one already？（get为短暂性动词）你已经找到如此好的工作，为何还想再找新的？ The students took notes as they listened（listen为延续性动词）学生们边听课边做笔记。 二、when从句的谓语动词可以在主句谓语动作之前、之后或同时发生；while和as从句的谓语动作必须是和主句谓语动作同时发生。 1从句动作在主句动作前发生，只用 when。 When he had finished his homewo

9、rk，he took a short rest（finished先发生）当他完成作业后，他休息了一会儿。 When I got to the airport，the guests had left（got to后发生）当我赶到飞机场时，客人们已经离开了。 2从句动作和主句动作同时发生，且从句动作为延续性动词时，when，while，as都可使用。 When While As we were dancing，a stranger came in（dance为延续性动词）当我们跳舞时，一位陌生人走了进来。 When While As she was making a phonecall，I was

10、 writing a letter（make为延续性动词）当她在打电话时，我正在写信。 3当主句、从句动作同时进行，从句动作的时间概念淡化，而主要表示主句动作发生的背景或条件时，只能用 as。这时，as常表示“随着”；“一边，一边”之意。 As the time went on，the weather got worse（as表示“随着”之 The atmosphere gets thinner and thinner as the height increases 随着高度的增加，大气越来越稀薄。 As years go by，China is getting stronger and ri

11、cher 随着时间一年一年过去，中国变得越来越富强了。 The little girls sang as they went 小姑娘们一边走，一边唱。 4在将来时从句中，常用when，且从句须用一般时代替将来时。When the manager comes here for a visit next week，Ill talk with him about this下周，经理来这参观时，我会和他谈谈此事。 三、when用于表示“一就”的句型中（指过去的事情）。 sbhad hardly / scarcely done sthwhenHardly Scarcely had sbdone sthw

12、hen 我刚一闭上眼，就有人在敲门了。 I had hardly scarcely closed my eyes when someone knocked at the doorHardly Scarcely had I closed my eyes when someone knocked at the dooras在-期间，当-的时候”引导时间状语从句.注意与when、 while的用法区别。 下列情形时,只用as, 而不用when或while。 1)用于表示同一个人的两种动作交替进行,指一边-一边. 如: The girl sings as she goes to school. He

13、looked behind occasionally as he went forward in the forest. 2)表示两个同步发生的动作或行为,意思是随着-的发展.如: As time went on / by, she became more and more beautiful . As children get older, they become more and more interested in everything. 3)表示两个短暂行为或事情几乎同时发生.如:I watched her as she read the book. I thought of it j

14、ust as you opened your mouth. Just as the flying worm hit her face, she gave a loud cry. 4)接在名词后面表示某一个年龄段时.如: As a young man, he was active in sports. when作当的时候解,可以指较短的(一点)时间,也可指一段时间。如:When I was at college, I could speak several foreign languages. When the clock struck twelve, I had slept for 2hour

15、s. while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如:Work while you work. Play while you play.while 引导状语从句时，应注意以下几点：1. while 引导的时间状语从句既可放在句首，也可放在句末；而 while 引导的让步状语从句一般放在句首，不放在句末。另外，也可以从意义上加以区分。例如：While he was tired， he went on working.（虽然他累了，但他还是继续工作。）（ while 引导让步状语从句）While he was tired， he would have a rest.（他累了就休息一会儿。）（ while 引导时间状语从句）2. while 引导让步状语从句时，如果从句的主语和主句的主语相同，那么从句的主语和谓语动词 be 都可以省略。例如：While he was ill， he went there. （= While ill， he went there.）