新概念第二册自学导读 Lessons21

语法 Grammar in use

被动语态（2）

在第10课的语法中，我们已经讲了被动语态的基本形式以及它在用了一般现在时、现在完成时、现在进行时和一般过去时的句子中的使用情况。被动语态还可以和大部分情态动词连用（包括具有部分情态功能的will和 would）。

He may have been told the news.

他或许已被告知这消息了。

词汇学习 Word study

1．drive

（1）vt.，vi. 驾驶，驾车：

You must have been driving at seventy miles an hour.

你刚才一定是以每小时70英里的速度开车。

Mary drives(her car) very slowly.

玛丽开车开得很慢。

（2）vt. 赶，驱赶，围赶（猎物、敌人等）：

With the help of two dogs, he drove the sheep down the mountain.

在两只牧羊犬的帮助下，他把羊从山上赶了下来。

（3）vt. 逼迫，迫使：

Aeroplanes are slowly driving me mad.

飞机正在慢慢地把我逼疯。

The death of all her children has driven her mad.

她所有的孩子的去世把她逼疯了。

2．home与house

home 一般译为“家”、“家庭”，着重指所居住的人，常有爱、温暖、舒适、安全等隐含意义。house通常译为“房子”、“房屋”、“住宅”，指的是建筑物。试体会它们的区别：

They live in a large house.

他们住在一所大房子里。（不可用home）

My father is at home now.

我父亲现在在家。（不可用 house/at house）

Tom must be somewhere in the house.

汤姆肯定在这屋子里的某个地方。（不可用home）

I have a sweet home.

我有一个甜蜜的家庭。（不可用house）

练习答案 Key to written exercises

1．关键句型练习答案

A …passing planes can be heard(1.2); The airport was built (1.2); it could not be used then(1. 3); a hundred people must have been driven away(11.4-5); this house will be knocked down by a passing plane(11.6-7); I have been offered a large sum of money(1.7)

C 1 A message will be sent immediately.

2 All these goods must be sold.

3 I told you the parcel would be received in time.

4 The letter has to be delivered by hand.

5 Your letter must have been lost In the post.

2．难点练习答案

A (sample answers)

The dog drove the sheep out of the field.

The police drove the crowds back.

I drove my car into the garage.

B1 home  2 houses  3 house  4 home

3．多项选择题答案

1c  2d  3c  4d  5a  6c

7b  8b  9a  10d  11c  12c