新概念英语第二册72-04

区别:1 一般将来时: 事情在将来发生

2 将来进行时: 等同于一般将来时

3 将来完成时: 强调到将来某一点时间动作的结束

4 将来完成进行时: 强调到将来某一点时间动作可能结束或延续

过去完成进行时had been doing

过去完成进行时 : 到过去某一点时间为止动作一直在延续

Eg:His father had dead...

Eg:His father had been waiting for his son until he came back.

soon the astronauts will have repaired the telescope.

宇航员很快会把望远镜修好.

will have done到将来某一点时间, 动作完成

by Friday midday, they will have been working on it for seven days. 到星期五中午, 他们就在这个工程上干了7天了.

work on sth关于......的工作

到将来某一点时间, 动作延续

【Special Difficulties】 难点

Words often confused 经常容易混淆的词

Study these examples:细读以下例子 :

a Nouns: Cost, Price, Value

The Hubble was launched at a cost of over a billion dollars.

哈勃望远镜发射升空, 耗资10多亿美元.

How much is that blouse? Let's ask the price.

这件衬衣多少钱?让我们来问一下价钱.

The stolen items were of sentimental, rather than financial value.

被盗物品更具有情感上的涵义, 而不是经济上的价值.

b Verbs: Cost, Price, Value.

What does this blouse cost, please? 请问, 这件衬衣多少钱?

I want to price the bed linen in a few other shops before I buy any.

我想在买床单之前打听几家商店的价格.

I value you advice a great deal. 我非常尊重你的建议.

cost / price / value : nouns名词 & verbs 动词

nouns : price价格; cost 费用; value价值

at the cost of 以......的费用

verbs : price sth打听......的价格, 并比较

cost花费sth cost money value sth认为......有价值

value your time珍惜时间

I value your advice我尊重你的意见

value sth owned by oneself敝帚自珍

Exercise练习

Choose the correct words in the following sentences.选择正确的词.

1 There has been a sharp rise in the(price)(cost)(value) of living.

2 Whenever I buy anything new, my father always asks me the(value)(cost)(price).

3 If you have to work for something you will(value)(price)(cost) it more.

4 That house(valued)(cost)(priced) a fortune to build.

5 Dr. James's work is of enormous(value)(cost)(price) to the community.

6 Jane has(valued)(cost)(priced) the alternative products and she recommends this one.

7 So far, ten countries have given money towards the(value)(price)(cost) of rebuilding after the earthquake.

1 sharp rise: 大幅上升的

living 生活

the cost of living 生活的费用

2 price 价格

3 value : 表示认为有价值

4 fortune : 一大笔财产

cost 花费

5 enormous adj: 巨大的

community : 社区,社会

value : 价值

of great (enormous)value有巨大的价值

6 alternative 另外的

recommend : 推荐

price sth. 比较价格

7 towards = to

the cost of rebuilding 重建费用

过去完成进行时: had been doing