考点 6 情态动词1
主要考查的知识点: (1)情态动词的基本用法 (2)情态动词+完成式的用法 (3)情态动词的一些特定用法2
复习重点: (1)情态动词的意义以及不同的情态动词的用法区别 (2)must, can, should 等常见情态动词的用法 (3)must/ can/ should/ might+have done 的用法及区别 (4)含情态动词的疑问句的回答情态动词的基本用法 情态动词表示说话人的语气和情绪,本身词义不全,不能单独作谓语,必须与后面的动词原形一起构成谓语
情态动词没有人称和数的变化,有的情态动词有过去式
常见的情态动词有 can, could, may, might, must, have to, shall, should, will, would, ought to, need, dare, used to 等
用适当的情态动词填空(1)He could read books in English when he was only five
(2)Man can not live without air
(3)Could you wait a few days for the money
(4)Could/Can I borrow your reference books
(5)Oh, dear, what on earth can this mean
(6)They were able to put out the fire without any help from the firefighters
(7)You can not be too careful
(8)I couldn't do anything but choose to wait
can, could 的用法规则 1:表示体力或脑力(知识、技能)所产