中考情态动词ppt课件.ppt
情态动词,Made by 奚怡,中考情态动词的考查重点,一、情态动词在一般疑问句中的问与答二、情态动词表示猜测的用法三、will与shall的用法四、dare与need的用法,情态动词在一般疑问句中的问与答,1、may/might引出的疑问句 2、must引出的疑问句 3、could引出的疑问句,情态动词在一般疑问句中的问与答-may/might,对may/might引出的问句，可以有下列回答方式：,【例题】 -May I take this book out of the room?-Yes, you may/can.-No, you cant/mustnt.,肯定回答,Yes, you may/can.,Yes, of course.,Yes, certainly.,Sure .,否定回答,No, you mustnt. (表禁止、不允许),No, you cant.,Have a try,1. -May I have a word with you? -No, you _. Im busy today. A. neednt B. wouldnt C. dont have to D. cant 答案D 这组对话的意思是：“我可以跟你说句话吗?”“不行，我今天很忙。” 对May开头的问句进行否定回答时，通常用cant或may not来回答。2.-_ I use your mobile phone? -Certainly. Here you are. A. May B. Must C. Should D. Need 答案A 这组对话的意思是：“我可以用你的手机吗?”“当然可以，给你。”may表请求，许可。意为“可以”。,情态动词在一般疑问句中的问与答-must,对must引出的疑问句，回答方式为： 肯定回答：Yes, must. 否定回答：No, neednt/ dont have to.【例题】-Must we hand in our exercise books today?-Yes, you must. -No, you neednt / you dont have to.,Have a try,1.-Must I do the work now? -No you _. You may do it later. A. cant B. mustnt C. neednt D.shouldnt 答案C 这组对话的意思是：“我必须现在做这项工作吗？” “不必，你可以稍后再做。”must引导的一般疑问句应用neednt作否定回答。2. -_ I download the article again? -No, you neednt. A. Shall B. Will C. Must D. Can 答案C 这组对话的意思是：“我必须再次下载这篇文章吗?”“不必了。” 根据答语 No, you neednt 就能确定要选C。,情态动词在一般疑问句中的问与答-could,could引导的疑问句中，表示委婉的语气，此时could没有过去式的意思。Could为can的过去式时，肯定回答用could,否定回答用couldnt.【例题】- Could you play the piano when you were seven years old?- Yes, I could.- No, I couldnt.Could表示委婉语气时，肯定回答用can，否定回答用cant.【例题】- Could I have the television on? - Yes, you can. - No, you cant.,Have a try,1. -Could I borrow your dictionary? -Of course you _. A. can B. must C. should D. will 答案A 这里的could并不表示过去，而只是一种委婉的说法，所以答语用can更礼貌些。2. -_ she ride when she was a child? A. Should B. May C. Can D. Could 答案D 这句话的意思是：“她小时候会骑自行车吗？” 在这句话中，could表能力，是can的过去式形式。,情态动词表示猜测的用法,情态动词must, may, might, cant表示推测含义与用法后面都接动词原形，都可以表示对现在情况的揣测和推断但他们含义有所不同. cant 不可能，不会 (可能性几乎为零) might, may 有可能，也许 must 一定 肯定 (100%的可能性),情态动词表示猜测的用法-can,can表示推测时一般用于否定句或疑问句。如： -That man _ be her husband she is still single. -Who is knocking at the door?_ it be the postman?,cant,Can,Have a try,1. -The lake is said to be dry. Is that true? -It _. Look, some kids are swimming in it. A. must be true B. cant be true C. may not be true 答案B 根据后面的“some kids are swimming in it”推测出湖不可能是干的，所以选B2. -I think Miss Gao must be in the library. She said she would go there. -No, she _ be there. Ive just seen her there. A. cant B. mustnt C. neednt D. wouldnt 答案A 在表推测的 否定句和疑问句中，此时要用cant。,情态动词表示猜测的用法-may/might,may/might表示推测时意为可能、也许。如： -Where is Mr. Li? -I dont know. He _ be working in his office.,may/might,Have a try,1.-what will the weather be like tomorrow? -It _ be rainy, cloudy or sunny. Who knows? A. must B. might C. shall D. should 答案B 根据“Who knows?”可知说话者对内容把握不大，所以选might. 2. -Whos that woman with Ann? -Im not sure. It be her mother A. may B. can C. will D. must 答案A 由前句Im not sure.可知说话者对内容不肯定，表可能性只能用may。,情态动词表示猜测的用法,must表示肯定的推测，一般用于肯定句中。如： -Mr. Li _ be working now，for the lights in his office are still on.,must,Have a try,1. -Whose exam paper is it? -It _ be Li Leis. He always forgets to write his name on it. A. cant B. must C. shouldnt D. may 答案B 这组对话的意思是：“这是谁的试卷?”“这一定是李雷的。他总是忘记写名字。” must表示肯定猜测cant表示否定猜测。根据后句“他总是忘写名字”可知应选must.2.-whose tennis racket is this? -Look! Jerrys name is on it! It _ be his. A. must B. might C. cant D. shouldnt 答案A must表示肯定的推测，might表示不肯定的推测， cant表示否定的推测，意为“不可能”。由“Jerrys name is on it! ”可以得出是肯定的推测，所以选must.,Check yourself & Homework,Check yourself 情态动词专项练习(全部摘自历年中考题).docHomework 情态动词.doc,
