Unit 3 It must belong to Carla.Section A(Grammar focus-4c)学案（含答案）

课题：Unit 3 It must belong to Carla.第2课时
学习目标：
1、重点单词
noise(n.)声音；噪音；policeman(n.)男警察；wolf(n.)狼；laboratory（n.）实验室；coat(n.)外套；外衣；sleepy（adj.）困倦的；瞌睡的
2、重点词组
something unusual一些不寻常的事；next-door neighbor隔壁邻居；feel uneasy感到不安；go away走开，离去；make fear制造恐惧；make noise吵闹；in the laboratory在实验室；wear glasses戴眼镜；take a shower淋浴；feel sleepy感到困倦
3、重点句式
(1)My wife thinks that it could be an animal,but my friends and I think it must be teenagers having fun.我妻子认为可能是一只动物，但是我和我的朋友们认为那一定是青少年在闹着玩。
(2)They think it might be the wind. I don’t think so.他们认为是风，我不这样认为。
(3)So I guess it can’t be a dog. But then, what could it be 因此，我猜那不可能是只狗。但是那么它又可能是什么呢？
(4)There must be something visiting the homes in our neighborhood.一定有什么东西正在拜访我们小区的家庭。
(5)—Whose hair band is this 这是谁的发带？
—It could be Mei’s hair band. Or it might belong to Linda. They both have long hair.
它可能是梅的发带，也可能是属于琳达的。她们俩都有长头发。
(6)—Where is Jean 简在哪儿
—I’m not sure. She might be in the laboratory.我不知道。她可能在实验室。
(7)—Every one is going to the pool after school.大家放学后都将去游泳池。
—Really It must be hot outdoor.真的吗？室外一定很热。
(8)—That’s the phone.电话响了。
—I wonder who it could be.我想知道会是谁。重点句式
(9)—I wonder if these are Jim’s glasses.我想知道这是否是吉姆的眼镜。
—They can’t be his.He doesn’t wear glasses.它们不可能是他的，他从不戴眼镜。
学习重难点：
重点: 能够比较熟练地运用英语语音知识朗读篇章。
难点: 通过捕捉语篇主题，理解细节，并提高推断语篇深层意思的能力。
导学设计：
1. noise n. 声音；噪音
Every night we hear strange noises outside our window. 每天晚上我们都听见窗外奇怪的声响。
Sound travels slower than light. 声音比光传播得慢。
The girl has a beautiful voice. 那女孩嗓音很美。
【归纳】“声音”的不同
意为“噪音”、“喧闹声”, 常指不悦耳、不和谐的嘈杂声
sound 意为“声音; 响声”, 可以指人或动物发出的声音, 或物体碰撞的声音。也可以指大自然的任何“ ”
一般指人的声音, 说话、唱歌、谈笑都可用voice
【现学现练】
(1) The boy didn’t sleep well last night because of the　　　from the factory.
A. voice　　　　B. noise　　　C. music　　　D. song
(2) I lay in bed listening to the　　　of the rain outside.
A. sound B. noise C. voice D. music
2. There must be something visiting the homes in our neighborhood, but what is it
一定有什么东西在拜访我们社区的人家, 但是它是什么呢
【归纳】(1)There be sb. /sth. doing sth. 意为“有某人/物在做某事”。
_________________________in the classroom. 教室里有个女孩在唱歌。
(2)there +情态动词+ be+. . . 结构, 意为“一定/可能/或许有……”; 表示对现有情况的推测。
___________________ something wrong with the machine. It doesn’t work. 这台机器一定是出毛病了。它不能运转了。
(3)there+情态动词+ be+. . . +doing意为“一定/可能/或许有……在做……”。
______________________________ in the room. 可能有人在房间里唱歌。
【现学现练】
(1)There　　　　a girl singing next door. Can’t you hear her beautiful voice
A. must be B. must have C. can’t be D. can’t have
(2) 房间里可能有人。
There ______________ someone in the room.
3. 情态动词表推测
根据要求补全下列句子, 体会句型结构及句式
(1)It must be (一定是)Carla’s. She loves volleyball.
(2)It could be (可能是)Mei’s hair band. Or it might belong to Linda. They both have long hair.
(3)I’m not sure, but it can’t be (不可能是)a dog. It was bigger. I think it might be (或许是)a bear or a wolf.
(4) There must be (一定有)something visiting (拜访)the homes in our neighborhood.
(5) He might be running (或许是跑着)to catch a bus to work.
【归纳】
(1)情态动词的特征：没有人称和数的变化, 后接 形式；能够独立构成句子的疑问及否定, 但不能独立作谓语。
(2)情态动词表推测
意为“一定; 准是”, 表示很肯定的推测, 只能用于肯定句
may/could/might 意为“ ”, 表示不太肯定的推测
意为“不可能”, 表示否定的推测
(3)情态动词表推测的结构：表示对目前情况的推测, 其结构为: 情态动词+动词原形；表示对正在发生的事情的推测, 其结构为: ；表示对过去发生的事情的推测, 其结构为: 情态动词+have+动词的过去分词。
【现学现练】
(1) Mary　　　be in Paris. I saw her in town only a few minutes ago.
A. mustn’t　　　 B. shouldn’t　　　 C. can’t　　　 D. may not
(2) The guitar　　　belong to Alice. Only she plays the guitar here.
A. could B. must C. can’t D. can
(3)John　　　come to see us tonight, but he isn’t very sure yet.
A. may B. can’t C. has to D. must
(4) —Dad, where’s Mom
—Oh, she　　　in the kitchen.
A. might cook B. might be cook C. might be cooking D. might cooking
(5) —It’s noisy outside. What happened
—There　　　be children　　　games.
A. must; playing B. can’t; play C. must; play D. can’t; playing
知识巩固
Ⅰ. 用所给词的适当形式填空
1. In spring, people often feel _________ (sleep).
2. It’s said that there are _________ (wolf)visiting the village.
3. We’ll have fun _________ (take)a vacation in Europe.
4. There must be some boys _________ (play)games on the playground.
5. When you meet trouble, please call the _________ (policeman)for help.
Ⅱ. 完成句子
1. 戴眼镜的那个人不可能是他爸爸。
The man wearing glasses _______ ______ his father.
2. ——谁和你一起去
——我不知道。
—Who will go with you
—I _______ _______ _______.
3. 天太冷了不能待在外面。
It was _________ cold _______ _______ out.
4. 我们应该互相帮助。
We should help _______ _______.
5. 上个星期报社采访了那个演员。
The actor _______ _______ _______ the newspaper last week.
参考答案：
导学设计：
1. 【归纳】noise ；声音；voice 【现学现练】 (1)B(2)A
2. 【归纳】(1) There is a girl singing (2)There must be(3) There might be someone singing【现学现练】(1)A(2)might/could be
3. 【归纳】(1)动词原形(2)must；可能， 也许；can’t (3)情态动词+be+动词的-ing形式
【现学现练】(1)C (2)B (3)A (4) C (5)A
知识巩固：
I. 1. sleepy 2. wolves 3. taking 4. playing 5. policemen
Ⅱ. 1. can’t be 2. have no idea 3. too；to stay 4. each other 5. was interviewed by