Lesson 10
情态动词
问题层级图
不知道如何完成情态动词题目
目标层级图
能够完成情态动词题目 LV3 操作
课前诊断
5 ’ M 1. In today's information age, the loss of data ________ cause serious problems for a company.
A. need B. should C. can D. must
2. Samuel, the tallest boy in our class, ________ easily reach the books on the top shelf.
A. must
B. should
C. can
D. need
3. I love the weekend, because I ________ get up early on Saturdays and Sundays.
A. needn't
B. mustn't
C. wouldn't
D. shouldn't
4. --- Can't you stay a little longer?
--- It's getting late. I really ________ go now. My daughter is home alone.
A. may
B. can
C. must
D. dare
5. --- I am sure I saw Brian in the park this morning.
--- You ________ be imagining things. He left for America last night.
A. need
B. can
C. must
D. shall
课中讲解
一. 情态动词本意 LV3操作 1. 常见情态动词本意 (1) must
① 表 ________，其肯定回答用 ________，否定回答用 ________ 或 ________ . --- Must I finish the work today? --- Yes, you must.
--- No, you needn’t / you don’t have to. ② 否定mustn’t 表示 ________
You mustn’t speak like that to your mother. You mustn’t leave the room.
③ 表 ________（常用于固定句型 if you must do …… ) If you must smoke, at least you could smoke outside. If you must leave, do it quietly. Why must you buy that car? (2) can, could
① 表 ________
Some of us can use the computer now, but we couldn’t last year. ② 表 ________，could比can语气更委婉。 --- Can I come in?
--- Yes, you can. (3) may 和might
① 表 ________ 或 ________，might比may的语气更委婉。 --- May I have a glass of beer here please?
--- Certainly, you may. / No, you mustn’t／may not. ② 表 ________，might比may的语气更不确定。 He might have some trouble.
③ may表 ________，采用部分倒装语序：may+主语＋动词原形 …… May the force be with you. (4) shall，should
① should表 ________
You should keep your promise. ② should表 ________
It seems such a pity that an honored name should be commercialized like this. ③ shall表 ________， 用于第一、三人称作主语的疑问句中。 When shall he come to meet you? Shall we begin？
④ shall表 ________（常用于第二、第三人称）。
He shall be punished if he breaks the school rules. (警告） You shall stick to your post. (命令) (5) will, would
① 表 ________
They said that they would help us.
② 表 ________，常用于第二人称的疑问句中，would比will更委婉。 Would you like some tea?
Will / Would you help me with my English?
【精讲精练】
1. Doctors say that exercise is important for health, but it ________ be regular exercise.
A. can
B. will
C. must
D. may
2. According to the air traffic rules, you ________ switch off your mobile phone before
boarding.
A. may
B. can
C. would
D. should
3. --- Could I borrow your dictionary? --- Yes, of course you ________ .
A. might
B. will
C. can
D. should
4. --- You must be looking forward to your trip back to Sydney. --- Yes. I ________ wait any longer.
A. can’t
B. mustn’t
C. needn’t
D. shouldn’t
5. John promised his doctor he ________ not smoke. And he has never smoked ever since. A. might
B. should
C. could
D. would
6. --- Can’t you stay a little longer?
--- It’s getting dark. I really ________ go now. My daughter is home alone.
A. may
B. can
C. must
D. dare
2. 情态动词的推测义 (1) must 推测义
表 ________
You must be hungry after a long walk. --- She’s not picking up. --- Then she must be driving. (2) can, could推测义
表 ________
a. 在肯定句中表推测的是 ________ That could be our way out!
It will be sunny in the daytime, but it could rain later on this evening. b. 在否定句中表推测的是 ________
--- Someone in our class has won the first prize in the calligraphy competition! --- It can’t be you.
c. 在疑问句中表推测的是 ________ --- Could you be serious? (3) may, might 推测义
表 ________
She may be the best dentist in town.
【精讲精练】
1. Liza ________ not want to go on the trip — she hates traveling.
A. will
B. can
C. must
D. may
2. It is usually warm in my hometown in March, but it ________ be rather cold sometimes.
A. must
B. can
C. should
D. would
3. You ________ be hungry already — you had lunch only two hours ago!
A. wouldn’t
B. can’t
C. mustn’t
D. needn’t
4. --- The traffic is heavy now, so Mike ________ come late. --- Let’s wait ten more minutes.
A. can
B. need
C. may
D. shall
5. --- I don’t really like James. Why did you invite him?
--- Don’t worry. He ________ come. He said he wasn’t certain what his plans were. A. must not
B. need not
C. would not
D. might not
6. --- Someone is knocking at the door. Is it Emily? --- It ________ be Emily. She has gone to Canada. A. must
B. can’t
C. needn’t
D. may
二. 情态动词+have done LV3操作 1. must have done表示 ________
It must have rained last night, for the ground is wet. 2. could have done 表示 ________
He could have passed the exam, but he was too careless. 3. should have done表示 ________
否定形式：shouldn’t have done表示 ________ You should have got up earlier. You shouldn’t have told him about it. 4. may/might have done表示 ________ --- What has happened to George? --- I don't know. He may have got lost. 5. would have done表示 ________
I would have told you all about the boy's story, but you didn't ask me.
2024届高考英语二轮复习专题讲解第10讲情态动词学案
