Learning about Language公开课教学设计模版

BOOK 2 Unit 3 COMPUTERS 授课时间：2017年9月27日

晚自习1 授课教室：高三

1班

授课教师：王仁

Teaching aims:

Let students learn how to use some important sentence patterns.

Teaching important and difficult points:

How to use the following important sentence patterns: 1．It will be / was + 段时间

+ before... 2．as time went by... 3．so ... that... 4．by the time...

Teaching methods:

discussion and practice

Teaching steps:

Section I单词连线

1

Section II重点句型讲解

1. I developed very slowly and it took nearly two hundred years before

I was built

as an analytical machine by Charles Babbage. 我发展非常缓慢，差不多到两百年后，我才被查尔斯·巴比奇制成了一台分析机。

It will be / was + 一段时间+before从句

(时间状语从句)

It

will be

段时间

before

something.

还得

......才...... someone do/doesIt was

段时间

before someone did something. 过了多久以后......才......

It is / has been

段时间

since someone did something.

It was

段时间

since someone had done something. 自从......以来......

段时间：

数字

+ minutes, days, , weeks, months,years... ;

long

例如：

It was a long time before I got to sleep.

昨晚过了很长时间后我才睡着了。

2

It will be no more than 253 days before we graduate from high school. 再过253天我们就高中毕业了。

It is / has been 9 years since I began to study English.

我学英语已经有9年了。

练习：

①

John thinks it won’t be long before he

( be )ready for his new job.

②

It was a long time before I

( understand )what my father did. ③

It has been ten years since I

( graduate ) from college. ④

It took him several days before he

( make ) a start on writing out the play. ⑤

It was two months since we

( quarrel). ⑥

It

（be）five years before we meet again.

2. As time went by, I was made smaller.

随着时间的推移，我被做得更小了。

【句型解读】

as在此句中用作连词，意为“随着”，引导时间状语从句。介词with也有此意，但with是介词，构成with复合结构。

doing

主动或进行

with + noun +

done

被动或完成

介词

as time went by === with time going by 练习：

①

________ the wealth of the country increasing, more waste will be produced. ②

________ time went on, Einstein’s theory

3 proved to be true. ③

This lesson about family unity stayed with the

daughters as they____

____(grow) up.

④

As time went by, I gradually adapted myself to

the school life. == With___________________________，

I gradually adapted myself to the school life.

3. And my memory became so large that even I couldn’t believe it! 我的存储量变得如此之大，以至于我自己都不能相信！

①

The lake is

so shallow that no fish can live in it.

So shallow is the lake that no fish can live in it. ②

He speaks

so clearly that he can always make himself understood.

So clearly does he speak that he can always make himself understood.

练习: ①

He is so busy that he has no time to sleep.

that he has no time to sleep. ②

He studies so hard that he even has no time to take a day off.

that he even has no time to take a day off.

置于句首，倒装语序

4. By the time I was sixteen, my dream had come true. 到我满十六岁时我的梦想实现了。

by 介词后加时间状语(从句)，意为“到......时为止，在......之前”。

by the time + 过去时间状语从句，

主句用

had done

by the time + 现在时间状语从句，

主句用

will have done 或

shall have done

①

By the time he was 18，he

( make )several great inventions.

4

②

By the time Alice gets home, her aunt

( leave ) for London to attend a meeting.

③

By the end of next month, we

( finish ) learning Book Two. ④

By the end of last year, another new gymnasium

( complete ) in Beijing.

Section III 内容回顾

①

It will be / was + 一段时间+before从句

( 时间状语从句

) ②

As time went by, I was made smaller. ③

My memory became so large that even I couldn’t believe it! ④

By the time I was sixteen, my dream had come true.

Section IV作业处理

①

将所讲句型整理到笔记本上

②

③

组长签名：

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