2019-2020学年度人教版必修5 Unit3 Life in the futurePeriod2 Language points学案(6页word版)
2019-2020学年度人教版必修5 Unit3 Life in the futurePeriod2 Language points学案(6页word版)第3页

句中,用来加强语气,意为"究竟;到底";at a distance意为"在远处"。

(2)have lost sight of

4. require

vt. 需要;要求;命令

常用结构:

require that+主语+(should)+动词原形 需要某人做某事

require sb. to do sth. 命令某人做某事

require sth.(of sb.) 要求(某人)某事

I will do everything that is required of me.

凡是要求我的事,我都会办到。

The situation requires that I(should)be there.

形势需要我去那里。

温馨提示

require后接宾语从句时,宾语从句必须用should do的虚拟语气,其中should可以省略。

另外,表示"需要",且是物作主语时,后接动词 ing形式的主动形式表示被动含义,可以等于不定式被动形式;在这一点上,need和want用法相同。

The house requires mending.

=The house requires to be mended. 房屋需要维修。

All cars require servicing regularly.

所有汽车都需要定期检修。

They required him to keep it a secret.

他们要求他对这事保密。

高手过招

单项填空

①In competition, women are required some of their exercises music.(2010·01·山西平遥检测)

A. perform; to B. to perform; to

C. performing; with D. to perform; by

②All the people present agreed that the matter required . (2010·01·山西太原检测)

A. to look into B. being looked into

C. to be looked D. looking into

解析: ①选B。be required to do sth.意为"被要求做某事"。第二个空的to是介词意为"随着,伴着"。

②选D。require, want, need表示"需要",当其主语是动作的承受者时,其后的宾语常用动词不定式的被动形式或动名词的主动形式。

5. assist

vt.&vi. 帮助;援助;参与;出席

常用结构:

assist sb. in/with sth. 帮助(某人)某事

assist sb. in doing sth. 帮助(某人)做某事

assist sb. to do sth. 帮助(某人)做某事

assist with 帮助(照料,做);在......上给予帮助