小学六年级英语
常见情态动词讲解
一、情态动词的定义：情态动词有词义，但它不能单独作谓语，它必须和其他动词一起构成谓语。情态动词没有人称和数的变化；它的后面必须跟动词原形。 二、情态动词的种类：
三、情态动词的用法及主要句型：
1、Can I help you? ——Yes, please. / No, thanks. 2、Can + 主语 + 动词原形? Yes, ～ can. No, ～ can’t. 3、Can I borrow your book?----Yes,of course.
4、Can I write on the book? ------No, you can’t\mustn’t. 5、Could \Can you help me?---- Yes,of course.\Certainly.\ Sure. 6、Could \Can you tell me the way to the Zoo? 7、May I come in ?----- Come in, please.
8、May I sit here?----- Yes, please.\Sorry, please don’t. 9、May I have some Coke?---- Yes, of course.
10、May/ Could / Can I speak to Tom? -----Speaking. Who’s calling? 11、should 、shouldn’t 表示劝告： 1) He should get up early.
2) She shouldn’t play computer game too much.
12、Should +主语 +动词原形? Yes, ～ should.\ No, ～ shouldn’t. 13、表示建议“你愿意…吗”
---Would you like to go shopping with me?