中考英语专题情态动词
合集下载
相关主题
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
2.以 Must开头的一般疑问句,否定回答常用needn't/don't have to。
Must I read books every day?
→No, you needn't.
(否定回答)
/No, you don't have to.
3. 情态动词表推测。
(1) 在肯定句中一般用must (一定), can/could(可能), may/might (也许, 或许)。
2. 后接动词原形,即不带to的不定式。 She may lose her way in the village. You must do it now with his help.
3. 无人称和数的变化。 We must stay here at this time. He must stay here at this time.
定义
本身有一定的词义, 表示说话人的情绪、 态度或语气的动词。
常用词
can (could), may (might), must, shall (should), will (would), had better, have to, need 等。
用法与特点
1. 有一定的词义,但并不完整,必须与实义动词一起构成谓语。 I can sing very well. She can dance beautifully.
A. Need; wear
B. Does; need wear
C. Does; needs wear
D. Need; wears
【点拨】need作实义动词时,有两种用法:1. need to do sth.需要 做某事 2. need doing sth. 需要被做某事(=need to be done sth.); 作情态动词时,后加动词原形,通常只用于疑问式或否定式。
解析:考查含有情态动词的否定句形式。句意:男孩子们 下午可以下象棋。can“能;会;可以”是情态动词。含有 情态动词的肯定句改为否定句时直接在情态动词后加not。 答案: can’t play
(柳州中考)
You should ___a_p_o_lo_g_i_z_e___(道歉) to her for your mistake.
It can’t be the headmaster. He has gone to America. He will be back in two weeks. He may not know the scientist. I’m not sure.
易错警示
_______ she_______ her uniform to school today?
解析:考查情态动词的使用规则。句意:—布朗先生, 我必须今天看完这本书吗?—不,你不必。你可以在两 天之内看完这本书。must引导的一般疑问句,否定回答 用needn’t,意为“不必”。 答案: A
(重庆中考)
The boys can play chess in the afternoon. (改为否定句) The boys __ca_n_’_t_p_l_ay___ chess in the afternoon.
【答案】A
高频考点
(海南中考改编)
—Is that Mr. Zhou?
—It ______ be him. He has gone to Beijing.
A. may
B. can
C. can’t
D. mustn't
解析:考查情态动词表推测的用法。由答语He has gone to Beijing “他去北京了”,可推断那个人不可能是周老师,表示否定推测。 答案: C
He may know the answer to this question. It is cold in the room. They must have turned off the heating.
(2) 在否定句中用can't / couldn't(不可能),may not/ might not(可能不)。
解析:考查情态动词的用法。句意:你应该为你的错误向 她道歉。should“应该”是情态动词,后加动词原形。 “道歉”动词的英语表达是apologize。 答案: apologize
【答案】A
易错警示
—Could I come later tomorrow? —Yes, you _______. A. can B. could C. do D. can’t
【点拨】could也可表示请求,语气委婉,主要用于疑问句,不可 用于肯定句,肯定回答应用can,否定回答可用No, I'm afraid not.
来自百度文库
(黄冈中考)
—Must I finish reading the book today, Mr. Brown? —No, you __________. You can finish it in two days.
A. needn't B. mustn't C. can't D. couldn't
4. 具有助动词作用,可以用来构成否定句,疑问句及用于简单回答。 We can't carry the heavy box. (否定句) Can you sing an English song? (疑问句) →Yes, I can. / No, I can’t. (简单回答)
特殊用法
1. 以May开头的一般疑问句,否定回答常用mustn't。 May I dance here after dinner? →No, you mustn't. (否定回答)