视频简介：
视频标签：Sandstorms,in Asia
所属栏目：高中英语优质课视频
视频课题：高中英语外研版必修3Module 4 Sandstorms in Asia Grammar广东省 - 深圳
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教学目标
1. To understand the form and meaning of the infinitive--to do.
2. To master the usage of the infinitive--to do.
3. Guide Ss to cooperate with others by working in groups of four.
2学情分析
学生为高二文科生。大部分学生基础较好,个别学生基础较薄弱。由于文理分科不久,师生处于一个适应阶段。
3重点难点
1. To understand the form and meaning of the infinitive--to do.
2. To master the usage of the infinitive--to do.
4教学过程
4.1第一学时
4.1.1教学活动
活动1【导入】Approaching the grammar
Have a free talk about what future work the students would like to do.
T: What do you want to be in the future?
S: I want to be...
活动2【导入】Discovering the grammar
Ask the students to read and observe the sentences in the previous picture and find out the similar structure.
活动3【讲授】Defining the grammar (form ＆ meaning)
1. Underline the infinitive in the text (P32).
1). Scientists have tried many ways to solve this problem in China, a mass campaign has been started to help solve it.
2). The wind is sometimes strong enough to move sand dunes.
3). To have been caught in a sandstorm was a terrible experience.
4). There was nothing to be done.
5). I thought I was going to disappear under the sand.
6). Sandstorms in China appear to have increased in recent years as a result of desertification.
7). The thick dust makes it difficult to see.
8). Weather experts advise people not to go out.
9). To be cycling in a sandstorm is frightening.
10). It’s difficult to breathe.
11). If you want to go out, you’d better wear a mask.
12). To prevent it coming nearer, the government is planting trees.
13). The government plans to continue planting for the next five years.
2. Fill in the following chart about the infinitive.
|
时态 |
主动式 |
被动式 |
|
一般式 |
(not ) to do |
________________ |
|
进行式 |
to be doing |
/ |
|
完成式 |
________________ |
________________ |
3. Usage (用法)
Read the sentences and analyze the constituents (成分) of the infinitive in each sentence.
1) My dream is to be admitted to Shenzhen University.
2) To make my dream come true is not easy.
3) In order to make my dream come true, I should study very hard.
4) I have two years to make my dream come true.
5) I want to be an English teacher.
6) My English teacher always encourages me to face challenges bravely.
活动4【练习】Understanding the grammar
1. Fill in the blanks with the correct forms of the verbs given.
1) He agreed (help) me with my study.
2) My mother doesn’t allow me (go) out at night.
3) Sarah invited me (attend) her birthday party.
4) The doctor warned him (not, smoke) anymore.
5) When I came in, he happened (go) over his lesson.
6) I would like (have) a cup of tea.
7) I remembered _________ (lock) the door before leaving the office, but forgot to turn off the lights.
8) To catch the first train means _________ (get) up at 6:00.
9) Stop_________ (do) your homework and have a cup of coffee.
10) The ability____________ (express) an idea is as important as the idea itself.
11) ____________(master) English, we must work hard at it.
2. Translate the following sentences into English using the infinitive.
1) 对我们而言,学好英语很重要。
2)我每天要花30分钟完成英语作业。
3)我发现用这种方式学英语很有趣。
4)练习使得学习英语更容易。
5) 父母没有必要为孩子做一切事情。
6)是时候要保护环境了。
7) 她太小还分不清是非。
8) 文森特(Vincent)够大方(generous),给大家都买了礼物。(enough to...)
9) 我赶到餐馆,却发现没带钱。(only to...)
活动5【活动】Applying the grammar (Speaking)
Our school is holding an activity called “Green school”. “Green school” does not only mean green environment, but also mean positive study atmosphere. Discuss in groups about the purpose and importance of the activity and think of at least three things we need to do to improve our environment.
In order to/To...
...so as to...
We need to...
We ought to...
We are supposed to...
It is important/necessary for us to...
活动6【作业】Homework
Suppose you are the chairman of the Students’ Union in our school, please write a report about “Green School” to call on students to protect the environment.
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