内容正文:
情态动词can
在本模块中,情态动词can意为“能;会”。Can和实义动词构成“can+动词原形”的结构,意为“能做某事”。Can没有人称和数的变化。具体用法如下:
1.can表示能力,意为“能;会”。如:
I can speak English.我会讲英语。
2.can表示可能性,意为“可能;会”。如:
He can't be in the room.他不可能在房间里。
3.can表示许可或请求,意为“可以”。如:
Can I have a look at your photo? 我可以看看你的照片吗?
4.can在句中的应用
(1)肯定句:主语+can+动词原形+其他.如:
Tom can play the guitar.汤姆会弹吉他。
(2)否定句:主语+cannot/can't+动词原形+其他.如:
You can't play computer games.你不能玩电脑游戏。
(3)一般疑问句:Can+主语+动词原形+其他?
肯定回答:Yes,主语+can.
否定回答:No,主语+can't.
(4)特殊疑问句:特殊疑问词+can+主语+动词原形+其他?当特殊疑问词是句子的主语时则为“特殊疑问词+can+动词原形+其他?”。 如:
What can you see in the room? 你在房间里能看见什么?
Who can answer the question?谁能回答这个问题?
情态动词练习及解析
一、单项选择。
1. (中考.滨州)—Must I go to a law school and be a lawyer like you, Dad?
—No, you _____. You are free to make your own decision.
A.can't
B.mustn't
C.shouldn't
D.needn't
2. If you have questions, you can _____ your hands without hesitation (犹豫).
A.rise
B.raise
C.rise up
D.raise to
3. —Can you _____ the phone for me? I'm taking a shower at the moment.