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unit 5 It must belong to Carla .
学习目标
1.归纳总结情态动词can, may, must 表示推测的用法,比较它们的用法区别。在选择它们进行运用时,要多角度、全方位思维,根据句子语境,明确句子涵义,选择正确的词。
2.通过练习情态动词的用法,在日常生活中我们要勤动脑,观察比较事物的特点,逐渐培养自己的推理、判断能力。
难点解析
1.Much too 与too much
(1) He drove ________ fast. (1)much too
(2)You’ve given me ________. (2) too much
(3)Watching TV ________ is bad for your health. (3)too much
2. can 与be able to
典型例题
1. Your mother must be cooking, ________?(改为反意疑问句)
解析:答案是:isn’t she。在反意疑问句中,当陈述部分含有must be 表示“一定是、肯定是”等推测意义时,疑问部分不用must, 而要根据主语用意的对应形式。
2. maybe, may be
(1) The pretty girl ________ our new classmate.
(2) ________ my father is at home.
解析:maybe是副词,意思是“也许、可能”,在句中作状语,常居于句首。而may be 结构中,may 是情态动词,be是动词原形,两者构成完整的谓语形式,意为“也许是,可能是”,故答案是:(1)may be (2) maybe
3. The computer must be __________.
A. Lily’s and Lucy’s B. Lily and Lucy’s C. Lily’s and Lucy D. Lily and Lucy’s
解析:答案是B。由主语the computer 判断出名词所有格应用“Lily and Lucy’s”来表达“这台电脑肯定是丽丽和露西两个人共同的”这个意思。
单元练习
I.选择填空
1.Susan’s parents have bought a large house with a swimming pool. It______ be very expensive.
A. must B. can C. mustn’t D. can’t
2. —Is Mr. Hu in the reading room?
—No, he ________ be there. He has gone to Tianjin.
A. mustn’t B. needn’t C. won’t D. can’t
3. —Listen! Someone is singing in the next room. Who _______ it be? Is it Wei Fang?
—No. It _______ be her. She is at school now.
A. will; may not B. must; mustn’t C. may; can’t D. may; won’t
4. Look out! The knife is very sharp. You ______ cut your finger.
A. need B. must C. should D. may
5. You _______ go and ask Meimei. She _______- know the answer.
A. must; can B. must; may C. need; can D. can; may
6. —Finish drawing a house in ten minutes. OK?
—Sorry. It ________ in such a short time.
A. may do B. can’t be done
C. must do D. needn’t be done
II.从方框中选择适当的动词,用其正确的形式填空。
1. The hunter (猎人) is _________ the hares.
2. He _______ that he was ill so that he could stay at home.
3. The murderer(凶手)_______ to murder the woman but failed.
4. You cannot expect that something may _______ the teacher’s attention.
5. What club do you _______ to?
6. She __________ her purse in the store.
III.根据所给首字母提示,阅读填词。
Peter and Mike are very g 1 friends. They are in the same class at school. They often go to school and play together. They often visit each other’s home at weekends, too. Now they are b 2 eight years old. Peter’s mother has got a new baby. Peter is very glad to have a little brother, s 3 he is always talking about his younger brother to Mike. At first Mike is very i 4 in the new baby because he doesn’t have any sisters o 5 brothers. But after some time he begins to get r 6 tired of Peter’s endless talking about it. He also feels a little jealous of his friend. One morning before class, when the two boys meet at the school gate, Peter says to Mike cheer fully, “Do you know, Brian, my little brother has put on n 7 half a pound in w 8 this week. ” “That’s not very much at all,” answers mike. “I know a baby who can put on more than ten pounds a day.” “Oh, that can’t be t 9 ,” answers Peter laughingly. “W 10 baby is it?” “An elephant’s,” says Mike without delay.
IV.阅读下面的短文,在改写后的短文的空白处填入适当的词,使其更完整
Robert is fifteen now. Two and a half years ago he came to the city and began to study in a middle school. He studies hard and gets on wel1 with his classmates. And he often helps his friends with their lessons. But as he comes from a village,the headmaster who was born in a rich fami1y is bad to him and does his best to make excuse to punish him. The boy knows it and takes precautions against(提防)it.
One afternoon all the students went to have lunch and he bought a piece of bread. He was reading a book under a big tree, while a dog was stand near him. At that moment the headmaster came out and saw it. He became angry and said, “Don’t you know we don’t let anybody rear(饲 养)dog in the school?”
“Yes,I do, sir.” Said the boy.
‘‘Why have you brought your dog to school, then?”
“It isn’t my dog.”
“Why is it following you,then?’’
“You’re following me now, sir.” said the boy, “Can you say you are mine?’’
Robert is fifteen. He is in Grade 1 now. He studies hard and his classmates are 2 to him. And he often helps his friends to 3 their lessons. But as he was 4 in a farmer family, the headmaster from a 5 family is bad to him and does 6 he can to punish him.
One day in the 7 , all the students went 8 lunch and he bought a piece of bread,reading a book under a tree. At the moment a dog was standing near him. 9 the headmaster saw this, he wanted to 10 him. But he failed that day again.
V.根据短文内容选择最佳答案
Films at the Museum
Two Europe an films will be shown on Saturday afternoon at the Museum Theatre. See Broken Window at 1:30. The worker will be at 3:45. For further information, can 4987898.
Captain Goodfellow
Do you children enjoy interesting stories,funny games, and exciting dance? Captain Goodfellow will be ready to teach a11 these things to children at the City Theatre on Saturday morning at 10:00, free.
International Picnic
Are you tired of eating the same food every day? Come to Central Park on Saturday and enjoy food from all over the world. Delicious and not expensive. Noon to 5:00 p. m.
Take me out to the Ballgame
It’s October, and Saturday night(7:00~9:00) is your last chance to see the Red Birds this year. Get your tickets at the gate. It might be cold…Don’t forget sweaters and jackets.
Do you want to hear“The Zoo”
“The Zoo’’, a popular rock group from Australia, will give their first U. S. concert this Saturday night, at 8 at Rose Hall, City College.
1 On Saturday morning, you can________.
A.go to watch a ballgame
B.take c