对于很多正在备考大学英语六级考试的同学来说,只有搞懂了语法,才能对文章有更精准的理解。今天沪江小编就为大家分享一下大学英语六级考试语法重点之情态+动词的一些用法,希望对大家有所帮助。

情态+动词进行/完成进行时

情态动词也可以和动词进行形式或完成进行形式构成谓语:表示"应当正在……","想必正在……"的意思。

【例如】

why should we be sitting here doing nothing?

she might still be thinking about the question you raised.

he can’t be swimming in such weather.

at the moment she may (might) be playing with her schoolmates.

we needn’t be standing here in the rain. we might take shelter in the hut over there.

情态动词间或也可以和一个动词的完成进行形式构成谓语,表示"应当一直在……","想必一直在……"这类意思。

【例如】

they are sweating all over. they must have been working in the fields.

they may have been discussing the problem this morning.

she couldn’t have been swimming all day.

大学英语六级考试,语法是重中之重,所以要备考大学六级英语考试的同学一定要把语法常识搞懂哦。更多精彩内容,请关注沪江网。