作业 01 情态动词 一、定义 情态动词是表示能力、请求、命令、猜测等说话人的语气或情态的动词。情态动词本身具有各种意义，但 不能单独使用，只能和动词一起使用。 二、特点 1.没有人称和数的变化。 ①I can dance. ②He can _____ (swim) . 2.情态动词后面接动词原形。 We must stop polluting the earth. 3.句式转换时，不需要借助动词。 He can't write very much on a card. 三、用法【重点背诵】 分类 用法 例句 can 1.表示现在的能力，意为“能，会”。 She can dance. 2.表示“请求，允许”。 Can I use this pen 3.表示否定推测,意为“_____”。 That can’t be Tom. He has gone to Shanghai. could 1.表示过去的能力，意为“能，会”， She could dance when she was 6 years old. can-could(过去式)。 2.表示“请求，允许”。更加委婉的语 -Could I use your pencil 气，肯定回答时要改用 can -Yes,_____./Of course you can. may 1.may 用在疑问句中表示请求，意 为“可以”。 -May I go shopping with Lucy may -Yes, you may/can. 以 开头的一般疑问句，肯定回 -No, you _____. 答用 may 或 can，否定回答用 can’t 或 mustn’t。 2.表示推测，意为“也许，可能”。 The heavy rain may stop us going out tomorrow. 3.表示祝愿，在正式场合或书面语 May you have fun! 中表示祝愿时，常放在句首。 祝你们玩得愉快！ 一、单项选择 1．You _____ cross the yellow line while you’re waiting for an underground. That’s dangerous. A．mustn’t B．must C．can’t D．can 2．—You be excited. You have a ticket for your favourite band! —Yes. I can’t believe that I can see the band play live! A．need B．can’t C．must 3．—_____ I use your computer —Sorry. I _____ on it. A．May; am working B．Do; was work C．Must; am working D．Am; working 4．— ____ we go to help him with his work —No, you needn’t. He ____ finish it all by himself. A．Must; can’t B．May; can C．Must; can 5．The doctors in Beijing did all they_____ to save Shao Zhanwei, mayor of Hangzhou, but he still died of heart attack at the age of 58. A．would B．could C．must D．might 6．—Tony, _____ we wear a hat in class —No, we can’t. A．must B．have to C．can D．need 7．—Mom, can I play in the library —No, you _____ play there. Everyone should keep quiet there. A．must B．mustn’t C．won’t 8．I thought you like something to eat, so I have brought you some delicious food. A．may B．might C．can D．could 9．I want to go to the doctor, but you _____ with me. Which answer is incorrect A．need not to go B．don’t need to go C．need not go D．don’t have to go 10．— Either you or he _____ clean the classroom every Monday. — Yes, I see. A．have to B．has to C．musts D．does 二、完成句子 11．如果你能领先，就不用为失去工作提心吊胆了。 If you can , you won’t have to live your job. 12．我想你们的梦想会实现的。 I think your dream can . 13．我希望这个班的全体同学能齐心协力。 I hope that all the students in this class can . 14．我无法想象独自住在如此大的房子里。（翻译句子） I can’t in such a big house alone. 15．也许我能删减一些活动。（cut） Maybe I could a few activities. 16．He should drink hot tea with honey. (对划线部分提问) should he 17．You should write him a letter. （对划线部分提 ... ...
~~ 您好，已阅读到文档的结尾了 ~~
