Whose book is this

【2014铜仁】— Must I water the flowers now, mum? —No, you ______. You _____ do it later. C A. mustn’t; must B. mustn’t; may C. needn’t; may D. needn’t; must 【2014连云港】— ______ I know by what time you want the project to be done? —By the day after tomorrow. ______ you A finish it on time? A. May; Can B. Must; Need C. Could; Must D. Need; Would
may not know the answer, either. 3. He ________
Let’s ask that policeman.
mustn’t swim in the river. It’s 4. You _______
dangerous.
should look after your parents 5. You ________
根据句意, 从方框中选择正确的情态动词 填空, 每项限用一次。
should, must, can’t, may not, mustn’t can’t be Lucy. She has gone to 1. That ______ Beijing on business.
2. There _________ be something wrong must with my watch. It isn’t working now.
b. 表示说话人的猜测，认为某一事情“或 许”或“可能”发生。 He may know the answer. c. may用在感叹句中可表示祝愿、愿望。 May you succeed. 祝你成功。 May you have a pleasant journey. 一路平安。
2. might的用法: a. might可以代替may, 表示现在时间的动 作，但语气较为婉转客气或更加不肯定。 Might I offer a suggestion？ b. might用来表示现在时间时, 还可表示” 规劝”。 You might pay more attention to spoken English.
must
100% probably true
could might
20%-80% possibly true
can’t
0在英语中，表示对某件事物的确定程度，
即表示推测的时候，我们通常会用到以
下情态动词: must, might, could, may,
有时两者都可以用, 意思差别不大。 We must / have to leave now. must在表示说话人对事物的推测时，它 比may肯定得多, 相当于汉语的“一定”或 “准是”。(只有在肯定句中能这样用。) This must be your room.
在回答由must引起的问题时, 如果是否 定的答复，不能用mustn’t, 而需要用 needn’t或don’t have to, 因为mustn’t是 “一定不要”的意思，表示禁止。 -- Must I hand in my homework now? -- No, you needn’t.
Read more sentences.
--- Whose notebook is this? --- It must be Ming’s. It has her name on it. --- Whose French book is this? --- It could be Carol’s. She studies French. --- Whose guitar is this? --- It might belong to Alice. She plays the guitar. --- Whose T-shirt is this? --- It can’t be John’s. It is too small for him.
【2013天津】— Where are you going this month? — We______ C go to Xiamen, but we're not sure. A. needn’t B. must C. might D. mustn't 【解析】 needn’t (不必)表建议； must (一 定)表猜测的可能性很大； might (可能，也 许)表不是很肯定的猜测。 mustn't(不允许) 表命令。句意：---这个月你们将去哪？--我们或许去厦门，但还不确定。
Read the sentences below, paying attention to the colored parts.
--- Whose volleyball is this? --- It must be Carla’s. She loves volleyball. --- Whose book is this? --- It must be Mary’s. J.K. Rowling is her favorite writer. --- Whose hair band is this? --- It could be Mei’s.
Look at the two rooms below. Make guesses about the owner of each room.
【浙江湖州】 — Who’s singing in the next room? — It ____ be her. She has gone to New York. A. can’t B. must C. shouldn’t D. can 【解析】考查情态动词表推测。表示否定推测 时，用can’t，意为“一定不……”。must表示 推测时，意为“一定……”，用于肯定句；根 据答语“她已经去了纽约”可知是否定推测， 故选A。
2. could 是 can的过去式, 表示过去有过的能力 和可能性, 还有怀疑和不肯定的意思(在否定和 疑问句中)。 • She couldn’t skate when she was five years old. （能力） • At that time we thought the story could be true. （可能性） could用来提问, 是有礼貌的请求 Could.... Please? 语气较为婉转。 Could I speak to Mr. Smith, please?
情态动词表示推测可以分为以下几种情况: ★情态动词+ do 此结构表示对现在或将来情况的推测和判断 —Do you know where she is now? —I think she might travel in Beijing. ★情态动词+ be doing 此结构表示对现在或将来正在进行的情况的 推测和判断。 At this moment, my father can’t be working in the office.
三. must与have to的区别 have to比较强调客观需要, must着重说 明主观看法，另外have to能用于更多时态。 比较下面的句子： My brother was seriously ill, so I had to call the doctor in the middle of the night. (客观上需要做这件事) He said that they must work hard. （主观上要做这件事）
Section A Grammar Focus
Translate the phrases.
outside the window 在窗外 have fun 玩得高兴 next-door neighbor 隔壁邻居 at first 最初； 首先 run away 逃跑 feel uneasy 心神不安 have no idea 一点不知道； 没办法 have fun (in) doing sth. 做某事很愉快
when they become older. It’s your duty.
用must, might, could或can’t 填空 must be Jim’s. He is the 1.The toy car _______ only kid at the picnic. could / be Linda’s. I know she 2. This Mp5 _______ might has one. could / 3. The mobile phone _______ belong to might Lucy or Lily. They both have mobile phones. can’t be Mr Smith. He has 4. The man _______ gone to Shanghai and he’ll be back in three days.
Listening
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二. might和may的区别和用法: 1. may的用法: a. 表示”允许”或”请求”。 May I come in？ 在使用这一用法时需注意: may表示“允许” 的否定形式是must not, 意思是“不应该、 不许可”。 —May I take this book out of the reading room? —No, you mustn’t.
1. A: Many people are wearing coats. might be B: The weather must be _______________. 2. A: Sally has been coughing a lot. could be B: She might be _______________________. 3. A: This restaurant is always crowded. could be B: The food _______________. 4. A: Whenever I try to read this book, I feel sleepy. could be B: It can’t ___________________________.