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ability能力可数吗(ability有哪些)

导语:ability 几个表能力单词巧辨析

Lesson two

搞笑神句

问:Does the pig have the ability to fly?

答:The monkey has the ability to see.

【惯用句式】have/has the ability to do sth 有能力去做某事

例:One must have the ability to work with others.

【词中词法】able(有才能的, 能够的)

ability是able的名词形式,其反义词为unable

补充句式:be able to do sth

例:Will you be able to come and help us clean the room?

������易错点:can与able辨析

巧记两个点—区分重在时态和位置的用法不同������

can/could 表示能力;可能 (过去时用could),

只用于现在式和过去式(could)。be able to可以用于各种时态。

They will be able to tell you the news soon.

������������ could限(现过),be able to 不限时态

2)只用be able to

a. 位于助动词后。 b. 情态动词后。

c. 表示过去某时刻动作时。 d. 用于句首表示条件。

e. 表示成功地做了某事时,只能用was/were able to, 不能用could。

He was able to flee Europe before the war broke out. 在战争爆发前逃往欧洲。

注意:could不表示时态

1)提出委婉的请求

(注意在回答中不可用could)。

— Could I have the television on?

—Yes, you can. / No, you can't.

2)在否定,疑问句中表示推测或怀疑。

He couldn't be a bad man.

【小试牛刀】

Finish your homework first,then you’ll ______ surf the Internet for half an hour.

A. can B. need C. be able to D. may

解析:选C

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