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新概念英语第一册自学导读 Lessons125-126
更新:2009-03-13 11:39 作者:ihome 来源:未知 点击:1 次  

课文详注  Further notes on the text

1.Can't you come in and have tea now, Peter?彼得,你现在能进来喝茶吗?

这是否定疑问句,表示邀请。请参见 Lessons 77~78语法部分。

2.Don't you remember?你不记得了吗?

这也是否定疑问句。

3.don't need to= needn't

表示“不必”,是 must和 have to的一般现在时否定式。

4. a pleasant surprise,意想不到的好事,令人惊喜的事。

语法学习  Grammar in use

must, have to和 needn't

这3个词都表示必要性。在前面已对 must和 have to介绍过。

must是情态助动词,而have to是普通动词,二者在肯定句中一般可以互换,表示不可逃避的义务或责任。must更带有说话人的主观色彩,而have to则更强调客观要求和外界影响。

must一般只能表达现在的必要性,而have to则可以表达过去或将来的必要性。

I shall have to leave London tomorrow.

我明早得离开伦敦。

I had to stop smoking because it was forbidden in my company.

因为我所在的公司内禁止抽烟,所以我不得不停止了吸烟。

如果我们用 must来提问,则只能用needn't来表达否定的回答。 needn't 还可以理解为have to的否定回答。needn't (don't need to)和 don't have to都表示不必要;而 mustn't却表示绝对禁止,在说话人看来根本没有选择余地。请看例句:

You mustn't turn left.

你不能左转弯。(表示绝对禁止)

词汇学习  Word study

1.mean  v.

(1)意味着,即:

It's raining! That means you don't need to water the garden.

下雨了!这就是说,你不必给花园浇水了。

(2)(词语)表示……意思:

What does‘perfume’ mean  in English?

“perfume”一词在英语中是什么意思?

The green light means‘Go on.’

绿灯的意思是“继续向前”。

(3)意指;意欲:

What I mean is that we'll have to go back and look for it.

我的意思是:我们必须回去寻找它。

He didn't mean to hurt you.

他的本意并不是想伤害你。

2.water  v.

(1)浇(洒)水;供水;喂水:

The garden is very dry, I'm going to water it tomorrow morning.

花园里很干了,明早我准备给它浇些水。

Tim is watering his lovely little dog.

蒂姆正在给他那只可爱的小狗喂水。

(2)充满水;充满泪水;流口水:

He felt sad and his eyes watered  a little.

他感到难过,眼睛有点儿湿润了。

Ice cream always makes his mouth  water.

冰淇淋总能让他馋得淌口水。

(3)搀水冲淡;加水稀释:

Someone had been watering the milk.

有人往牛奶里搀了水。

He always waters drinks and sells them to tourists.

他总是在饮料里搀水并将之卖给游客们。

练习答案  Key to written exercises

Lesson 126

A

1  Does she have to decide immediately?

She doesn't have to decide immediately.

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