九年级
Unit 8 It must belong to Carla. 讲义
一、词性转换
Section A
1. valuable→ (n.) value
2. happening → (v.) happen 3. noise→ (adj.) noisy
4. uneasy → (反义词.) easy 5. laboratory → (缩写.) lab 6. sleepy → (v.) sleep Section B
7. suit → (adj.) suitable
8. express → (n.) expression
二、短语归纳
1. belong to属于 2. at the picnic在野餐中 3. attend a concert参加音乐会 4. pick up 捡起
5. nothing much没什么事 6. call the policemen报警 7. at first起初
8. in the neighborhood在社区里 9. go away离开 10. feel sleepy感觉困倦的 11. run after追赶
1. What’s wrong with …? …怎么了？ 2. used to do sth. 过去常常做某事 3. see sb. doing sth. 看见某人正在做某事 4. have fun doing sth. 做某事有乐趣 5. could/ might be doing sth. 可能正在做某事
三．重点句子
9. Britain → (adj.) British
10. mystery → (adj.) mysterious 11. historian → (adj.) historical 12. leader → (v.) lead
13. medical → (n.) medicine 14. energy → (adj.) energetic 15. burial → (v.) bury
16. honor → (adj.) honorable
12. express a difference表达差异 13. communicate with sb. 和某人交流 14. arrive in + 大地点 到达某地 15. prevent illness预防疾病 16. keep healthy保持健康 17. point out指出
18. a victory over an enemy战胜敌人 19. wait for等待 20. be late for迟到 21. on the phone通过电话
6. try to do sth. 尽力做某事
7. stop sb. from doing sth. 阻止某人做某事 8. must have done 一定已经做了…
9. one of + the + 形容词的最高级+名词复数形式最…的…之一
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1. I attended a concert yesterday so it might still be in the music hall. 昨天我参加了
一个音乐会，所以它可能仍然在音乐大厅里。★
2. I think somebody must have picked it up. 我认为一定有人捡到了它。★★★
3. I’ll call them now to check if anybody has it. 现在我将给他们打电话，看看是否有
人捡到了它。
4. When he was interviewed by the town newspaper, he said, “Every night we hear
strange noises outside out window.” 城镇报社采访他时，他说：“每天晚上我们听到窗外有奇怪的噪音。” ★
5. At first, I thought that it might be a dog, but I couldn’t see a dog or anything else,
either. 起初，我认为它可能是一只狗，但我没看到狗，也没看到其他任何东西。
6. There must be something visiting the houses in our neighborhood. 一定有什么
东西闯入了我们社区的住户家中，…★★
7. I hear water running in the bathroom. 我听到浴室里水在流淌。★
8. Whenever I try to read this book, I feel sleepy. 每当我试图去读这本书时，我都感觉
困。★
9. He could be running for exercise. 他可能为了锻炼身体而在跑步。★★★
10. “The leaders arrived in England much later,” he points out. “这些领导人抵达英
国晚得多，”他指出。★
11. They think the stones can prevent illness and keep people healthy. 他们认为这
些石头能够预防疾病，并使人们保持健康。★★
12. No More Mystery in the Neighborhood社区里不再神秘 ★★
五、语法 情态动词表推测：must, might, could and can’t
情态动词表推测时的用法：
① must表示说话人对事情的推测把握比较大，意为“肯定，一定”，只用于肯定句，否定
句中的推测用can’t。 例句：
现在他们一定在教室里。They must be in the classroom now. 教师办公室的灯还亮着。高老师一定在工作。
The light in the teachers’ office is still on. Miss Gao must be working. ② might强调将来或现在的可能性，表示推测的把握不大。
例句：
这个足球有可能是杰克的。他喜欢各类球类运动。
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The football might be Jack’s. He likes all kinds of ball games.
刘梅今天没来，她可能病了。Liu Mei isn’t here today. She might be ill. ③ could 也可以用来表示现在的可能性，推测的把握比较小。
例句：
这个发带可能是艾莉丝的。她留着长发。The hair band could belong to Alice. She has long hair.
你接一下电话好吗？有可能是找你的。Will you please answer the telephone? It could be for you.
④ can’t表示否定的推测，意为“不可能”，把握不大。
例句：
箱子里有一条短裙，箱子的主人不可能是男孩。
There is a skirt in the case. The owner of the case can’t be a boy.
那个男人不可能是格林先生，他去了英国。That man can’t be Mr. Green. He has gone to England.
【语法专练】
1. 【2017广州】You _______ be hungry after the long walk. Help yourself to some
cakes. A. can’t B. shouldn’t C. need D. must 2. 【2017长沙】--- Look! Mr. Wang is standing under the tree.
--- It _______ be Mr. Wang. He has gone to Shanghai.
A. mustn’t B. must C. can’t
3. 【2017天津】--- Where are you going this month? --- We _______ go to Xiamen, but
we’re not sure. A. needn’t B. must C. might D. mustn’t 4. 【2017黄冈】--- Who’s the man over there? Is it Mr. Black? --- It _______ be him. He’s
much taller. A. may not B. can’t C. will not D. mustn’t
5. 【2017兰州】--- Look at the boy playing basketball on the ground. Is it George?
--- It ______ be him. He told me he would play basketball after class, but he’s not sure.
A. mustn’t B. must C. can’t D. may
6. 【2017西宁】The Japanese dictionary _______ Ellen’s. She is the only person
learning Japanese in our class. A. must be B. can’t be C. may be D. can be 7. 【2017云南】--- Where’s my watch? I _______ find it.
--- Don’t worry. It must be somewhere in your room.
A. can’t B. mustn’t C. needn’t D. shouldn’t
8. 【2017宁夏】--- Is John coming by train? --- He should, but he_______ not. He likes
driving his car. A. may B. must C. can D. need 9. 【2017新疆】After a long walk, the old man _______ be tired now.
A. can’t B. must C. has to D. need
10. 【2017包头】--- Is Jack on duty today? --- It _______ him, it’s his turn tomorrow.
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A. mustn’t
B. won’t C. can’t D. needn’t
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