1、第二部分 语法专题突破 专题九 情态动词,命题点一 情态动词的基本用法,命题点二 情态动词表推测的用法,命题点一 情态动词的基本用法,分析衡阳近7年中考真题可知，情态动词的考查重点是情态动词的基本用法，主要在单项选择中考查。以否定形式的情态动词辨析为主。,肯定形式的基本用法,1. 由must引出的一般疑问句， 肯定回答常用must/have to；否定回答常用neednt或dont/doesnt have to，不能用mustnt回答。(2012年32题，2010年25题)如： Must I go with them？我必须跟他们走吗？ Yes, you must/have to./No, y
2、ou neednt/dont have to.是的， 你必须。/不， 你不必。,注,意,2. need作实义动词时，有人称和数的变化，后面可接名词、代词、动名词及带to的动词不定式。(2009年47题)如： She doesnt need to see the doctor. She just needs a rest.她不需要去看医生，她只需要休息一下。,否定形式的基本用法,1. Its surprising that Mr.Mas little daughter _ speak English so well.2. The man is feeling much better now, s
3、o you _ call a doctor.3. You _ drive forward when the traffic light is red.,can,neednt,mustnt,4. More and more students wear glasses in our school these days. I agree with you. Students _ keep on doing eye exercises to protect their eyes.5. I have to clean up the room because it is too dirty. _,shou
4、ld,我不得不打扫房间因为它太脏了。,6. I talked with him for hours, but I couldnt persuade him to change his mind. _ _,我和他交谈了好几个小时，但是我没能说服他改变他的主意。,命题点二 情态动词表推测的用法,表肯定推测,如： They must be very tired after a long walk. 走了这么长的路， 他们一定很累了。 The French book may be Alices. She studies French.这本法语书很可能是爱丽丝的。她在学法语。 She might be
5、in the library. She likes reading books in the afternoon.她可能在图书馆。她喜欢在下午的时候看书。,表否定推测,如： Miss Gao cant be in the classroom. I saw her in the supermarket just now.高老师不可能在教室， 我刚刚在超市看见她了。 It may not be her pen.它可能不是她的钢笔。,7. The blue coat _ be Tonys. He never wears blue clothes.8. Good morning. I have an appointment with Mr. King in his office. Morning. You _ be Mr. Jones. This way, please.9. Who will give us the speech on public manners? Mr. Brown _，but Im not sure.,cant,must,may/might,
