21. Mad or not? 是不是疯了？

1. 生词跟短语

mad adj. 发疯 ，非常生气

I know I was wrong. Please don't be mad at me .

go mad.

drive sb. mad  使某人发疯

His behavior really drives me mad. 他的一些行为逼我发疯。

sum n. 量

a large of money

to sum up  总之

reason n. 原因

for some reasons  由于一些原因

for some reason 因为某种原因

for one reason or another. 种种原因

reasonable adj. 合理的

unreasonable 不合理的

determined adj.坚定的，下决心的。

be determined to do 下定决心做某事

He is determined to go abroad for further education. 深造

We are determined to hold on to the last.

2. 课文跟语法

1. drive sb. mad 把某人逼疯

airoplance

2. I live near an airport and passing planes can be heard night and day.

be + done   ,=> 主动表达不了，就有了被动。

The dog eat the cake.

can be heard ->被听到

3. The airportwas built ... but .. it could not be used then.

4. Last year, however, It came into use.

5. Over a hundred people must have been driven away ... by the noise.

must have been driven away

推测·过去 的被动（被离开）

My cell phone must have been stolen.

Kis keys must have been loast.

... the wallet must have been found by one of  the village ...

钱包 被一个村民捡到了。

by 强调动作的发出者。

4. ... this house will be knocked down by a passing plane.

5. I have been offered ...money...

我现在的之前被提供了一大笔钱，（to do 表示目的） 目的是让我离开。

被动语态主要适用于及物动词

公式：be + done

教室每天打扫。

Classroomsis cleanedevery day.

所有的存在一定是有价值的。 被动语态的公式be done.

done被动的动作 -> cleaned

be 表示 被动的时间。  ->把be变成对应的各种时态。-> 体现主语的单复数

一座新的大楼去年建造的。

A new buildingwas builtlast year.

他每天被打。

He is beaten every day.

他昨天被打了。

He was beaten yesterday.

他明天将要被打。

He will beaten tomorrow.

他现在正在被打。

He is being beaten .

他现在已经被打了。

He has be beaten.

His bike will be repaired by his grandfather tomorrow.

The new machine has been used in our factory for two weeks.

Our morning paper is read by over 200,000 people every day.

Last night my favouriteTV program was intertupt by a special news bulletin.

罗马不是一天建成的 / 冰冻三处非一日之寒。

Rome was not built in a day.

人们现在正在被广告影响。

People are being influenced by advertisements.

被动语态跟情态动词相结合。

Planes can be heard.

Planes coule be heard.

Planes may be heard.

Planes must be heard.

这封信必须马上寄出。

The letter must be sent immediately.

天气不能被人们所控制。

The weather cannot be controlled by people.

西红柿可以做菜或者是生吃。

Tomatoes may be cooked or eaten raw.

我的钥匙不知丢哪了。

My keys must be left somewhere.

passing planes

doing 修饰名词作定语

a waiting car

a sleeping baby

a developing country

a women

a women wearing a white coat.

used cars

done 修饰名词， 做定语。

wasted time

a deserted car park 被废弃的停车场。

a ploughed filed 被耕种的土地。

a developed country

3. 知识拓展：

1. Don' worry. The hard work that you do now will be repaid later in life.

2. Excuse me , may I borrow you car？

Sorry, It is being repaired.

3. Up to now , thousands of wonderful pictures have been sent by the astronauts from the space station.

4. They are waiting for the message and the message is so urgent(急的) that it must be sent immediately. 

Planes can be  heard.

Planes could be heard.

Planes must be heard.

Pleanes may be heard.

会议昨天举行了。

The meeting was held yesterday.

The problem will be  solvedsoon.

现在正在讨论一个新的计划。

A new plan is being discussed now.

没有主语的句子，一般都要用被动语态。