【高考英语语法】情态动词-表示惊异、怀疑、不相信等态度!今天学习情态动词的意义和用法,情态动词是高考的重点语法之一,还不清楚的学生抓紧时间了解!
情态动词表示说话人对动作或状态的各种观点和态度,如需要、猜测、意愿或怀疑等。情态动词有词义,但不完全,是所谓的“辅助性”动词,在句中不能单独充当谓语。
4.表示惊异、怀疑、不相信等态度,主要用于否定句和疑问句中。
How can you be so careless
你怎么这么粗心?
Where can could they have gone
他们会去了哪里?
He can'tcouldn't be over sixty.
他不可能过60岁。
5.Could可以用在虚拟条件句中。
If I could fly, I should be very happy.
如果我能飞,我会很高兴。
If you had followed my advice, you could have finished it.
如果你当时听我的,你早就做完了。
If you had tried harder, you could have passed your exam.
如果你再努力些,你就能通过考试了。