情态动词课件（修改版）

1、高考英语情态动词必备知识点,If winter comes , _spring be far behind?,can,Have a try,努力不一定会成功， 不努力肯定不能成功。,One _succeed by a try , but he _succeed without a try.,may not,cant,情态动词 (modal verb )?,can/could/be able to, may/might, should/ought to/have to/ must, dare/need, will/shall, would/ used to, had better, would

2、rather, would like/should love,情态动词的特点,情态动词有一定的意义 无人称和数的变化 除ought 和have 外，通常不带to ,后接动词原形 表示说话人的语气或情绪,1.I havent got the reference book yet, but I will have a test on the subject next month. -Dont worry. You have it by Friday.,高考真题show:,考查情态动词的特殊用法,2.Who has broken the window in my room? -Who else it

3、 but your naughty boy?,考查情态动词表推测,3.But for the help of my English teacher, I (win) the first prize in the English Writing Competition.,考查情态动词在虚拟语气中的运用,4. What do you think of the book? It be better. I even want to read it twice.,考查情态动词的特殊用法,5. Just be patient. You expect the world to change so soon.

4、,考查情态动词的基本词义,情态动词命题角度,1.情态动词词义 2.情态动词用于推测 3.情态动词特殊用法及固定句型 4.虚拟语气句型的应用,推测句型用法表,不可能,可能不,高考能力要求：,must,may, might,cant,couldnt,can, could,can/could have done,should /ought to have done neednt have done,情态动词在一般疑问句的问与答:,1.May I come in ? 2.Must I do it now?,Yes, you may/certainly please,No, you mustnt./Pl

5、ease dont.,Yes, you must,No, you neednt./dont have to,情态动词在一般疑问句的问与答:,3.Need I finish my homework today? Yes, you must. No, you neednt. 4. Could I come to see you tomorrow? Yes, you can. / No, Im afraid not (代替you cant更委婉的表拒绝). 5. Might I? Yes, you may. / No, you may not.,情态动词的特殊用法：,1.May 祝愿 May you

6、 succeed. .,情态动词的特殊用法：,3.must . 1). John，look at the time, must you play the piano at such a late hour？ 2). Could I have a word with you, mum? Oh, dear, if you must.,偏偏,情态动词的特殊用法：,4.Why/ How + should 结构表示说话人对某事不理解，感到意外，惊讶等意思。 You cant imagine that a well-behaved gentleman should be so rude to a lady

7、.,竟然,5.Shall 的用法：,.Shall 与一、三人称连用，疑问表请求： Shall the young fellow have a try? Shall I have a second try？ .Shall与二、三人称连用表命令、警告、威胁和允诺等： You shall fail if you dont work harder. You shall go out of the room unless you stop talking. You shall get a rise if you work harder. 同时在颁布法律，规定时，也要用shall.,6.will 的用法：

8、,(1) 在疑问句中，用于第二人称，用来征询对方意见或请求指示。 Will you please do some shopping with me? (2) 用在各人称中，表示“意愿、愿意”。 Come on, children. I will tell you all about my story. (3) 用于各人称，表习惯性或规律性，意为“总是、惯于”。 Man will die.,(4)用在 Let us do sth. 或否定祈使句 Dont do sth. 后的反意疑问句中。 Let us start now, will you? Dont shut the door, will

9、you? (5) will 的否定式（wont）还可表示某东西总是或老是有不妙的情况发生（“就是不” .eg. start/close/shut）。 The door wont close.,7.dare 情态动词的用法,I dare not do that, or Ill be beaten by my father. 注意： dare 实义动词的用法： 有人称和数的变化 疑问句与否定式（not dare.) 搭配:dare to do sth 否定句中，常用 not dare (to) do sth.结构 He did not dare (to ) have a try. dare 情态动

10、词的用法： .无人称和数的变化 .否定式 dare+not +V(动原),(1) 作“需要”讲，need sth. I badly need a haircut now. (2)某人需要做某事：sb. need . Tomorrow is Sunday. You dont need to arrive early. (3)某人或某物需要被 sb./sth. needs . The chair needs (repair) at once.,need 实义动词的用法：,doing/ to be done,to do,to be repaired/ repairing,情态动词的特殊用法：,1.h

11、ad better do (not do) 2.Would rather dothan do 3.can not too/enough . You cant be too careful when you are driving. You cant remember enough English words. 4.can but do . I can but agree with you.,无论也不为过,只好,情态动词的特殊用法：,5.cant help but do sth. cant but do sth. cant choose but do I cant but admire your

12、 courage .,不得不、不能不,cant help but admire,cant choose but admire,have no choice but to do 除别无选择,情态动词的特殊用法：,6.may/might as well You might as well do your present job before you find a new one . 7.may well do sth. He may well say so ./do that.,倒不如、只好,很可能,情态动词的特殊用法：,9. would rather (not) have done . eg. I would rather have ta