中考情态动词

1、1.定义：情态动词表示说话者的情感、态度和语气。2. 特点情态动词不能单独做谓语，其后必须加其他动词的原形一起构成谓语情态动词没有人称和数的变化在意义上，情态动词具有 “ 多义性 ”例：can既可表示能力，又可以表示可能、允许等意义。3.情态动词的基本句型肯定句：主语+情态动词 +动词原形 +其他否定句：主语+情态动词 +not+动词原形 +其他疑问句 : 情态动词 +主语+动词原形 +其他（2015 年南雅月考） middle school students to use mobile phone at school. a.should be not allowed b. should no

2、t be allowed c. should not allowed 4.考点归纳 -常见情态动词的用法can 的用法 (重点考查 ) 表示能力， 与 be able to同义。但 can用于现在时和过去时， 而 be able to可用于各种时态。如：he can speak three languages.=he is able to speak three languages. 他会说三种语言。在疑问句表请求，意为 “ 可以” 。注意：在回答表示允许、请求的could you (please) do.句型中，若表示同意时，用can回答而不用 could。如：could you give

3、us a hand 你能帮我们一下吗yes, i can. 是的，我能。表示推测，用在疑问句或否定句中，can意为“ 可能” ，cant则意为 “ 不可能 ” 。如：can the news be true 这则消息有可能是真的吗bob can t be sleeping. the light in his room is still on. 鲍勃不可能在睡觉。他房间的灯还亮着。【及时巩固】(2017 长沙麓山国际实验学校第一次月考，28)-could i park here -i am afraid you_. look at the sign “no parking ”.a.couldn

4、t b.cantc.needn t(2016 长沙长郡教育集团联考，23)-_ does this t-shirt belong to -i m not sure, but it_ be lilys.a.whose; might not b.who; cannotc.who; must not must 的用法（重点考查）表示义务、命令或要求，意为“ 必须” （主观意志）。如：we must do everything step by step. 我们必须脚踏实地做好每件事。【注意】 must.句式的否定回答为： no, neednt / dont have to。如：must i finis

5、h the work today 今天我必须完成这项工作吗no, you neednt. 不，不必了。表示肯定猜测，意为 “ 一定” 。如：mary must have some problems. she keeps crying. 玛丽肯定遇到麻烦了，她老是哭。【注意】在肯定句中must表示对某事有把握的推测；在否定句中的推测用cant。【及时巩固】. (2014 铜仁)must i water the flowers now, mum no, you_. you _do it later. a. mustn t; must b. mustn t; may c. needn t; may

6、may 的用法表示允许、请求，常与第一人称连用。如：may i come in 我可以进来吗表示推测，可与 maybe互换。如：she may know the news.=maybe she knows the news. 或许她知道这则消息。表示祝愿，意为 “ 祝” 。如：may you be happy！ 祝你开心！注意： may 开头的疑问句表示许可否定 no, . . . mustnt/can t.及时巩固 1.(2017 南雅中学第一次模拟，27)while goji berries_ get much love from young people in china, they s

7、eem to be warmly welcomed overseas. a.must not b.may not c.should not a. may; can b. must; need c. could; must 2. （2016扬州） excuse me, may i keep the book a little longer sorry. you _ return it today. a. must b. mustn t c. can d. can t3. （2014北京） must i hand in my homework now, mr. smith no, you _. a

8、. can t b. shouldn t c. wouldn t d. needn t4. （2014宁波） _you leave now you only arrived here an hour ago. sorry, but so much homework is waiting for me. a. may b. must c. can shall 与 should 的用法表示征求建议或请求，常用在shall we /shall i.句型中，意为 “ 好吗” 。如：shall we put off the sports meeting until next month 我们将运动会推迟

9、到下个月好吗should用于各种人称，强调义务或责任。如：i think children should really learn to respect their elders. 我认为孩子们应该好好学习尊敬长辈。will 与 would 的用法will 或 would 用于第二人称疑问句中， 表示征求意见或建议。(would 比 will 更委婉 ) 如：will/would you please take out the trash 请你把垃圾倒掉好吗will 用于各种人称表示意愿。如：turn off the lights when you leave the classroom. 离

10、开教室的时候要关灯。yes, i will. 好的，我会的。had better 意为“ 最好” ，没有人称和数的变化，后接动词原形。否定为had better not do sth 及时巩固 1.（2015南雅入学考试） youd betterin class a. not talk b. don t talk c. not to talk 2. you had better _ your hair cut. a. had b. have c. to get 【课后练习】28. (2017德州 )in some countries, people_ download( 下载 )music f

11、rom the internet without paying, because its against the law. a. wouldnt b. neednt c. mustnt d. couldnt 29. (2017温州 ) weve ordered too much food. i _eat any more. never mind. let take it home. a. cant b. mustnt c. neednt d. shouldnt 30. (2017河北 )i have travelled a lot. i_ speak four languages. a. ca

12、n b. may c. must d. need 31. (2017北京 )_i hand in the report today no, you neednt. a. can b. must c. shall d. could 32. (2017鄂州 )the tall man with glasses over there looks like our math teacher. it_ be him. he has gone abroad. a. may not b. mustnt c. cant d. neednt 33. (2017安徽 )mum, ive signed for th

13、e box. whats in it im not sure. it_ be a present from your uncle. a. need b. must c. may d. will 34. (2017青岛 )we should keep quiet in the cinema. we_ speak loudly. a. can b. must c. neednt d. mustnt 35. (2017大连 )have you decided where to spend your holiday not yet. we _ go to beijing. a. may b. must

14、 c. should d. need 36. (2017武汉 )have you got the results of the exam no. all we_ do now is to wait. a. must b. can c. may d. could 37. (2017天津 )when you are travelling, bring a map because it_ help you. a. cant b. mustnt c. used to d. may 38. (2017 广东 )to keep children safe, we_ put the things like knives and medicine away in our house. a. may b. should c. can d. might 39. (2017荆州 )sixty dollars for such a t-shirt! you_ be joking! im serious. its made of silk from hangzhou. a. must b. need c. will d. can 40. (2017乐山 )