Unit 2 School Life Lesson 2 School Rules 课件（21张）

课件21张PPT。School RulesUnit Two
Lesson TwoRulesTuning inWe must get to school on time.We mustn’t be late for school.begin
8:00They can eat and drink after class.Students mustn’t eat or drink in class.have a classWe must keep quiet in the reading room.You can’t talk with each other hereWe must speak English in an English class.You can’t speak Chinese.1.We must get to school on time.
We mustn’t be late for school.
2.We mustn’t eat or drink in class.
We can eat and drink after class.
3.We mustn’t talk in the reading room
We must keep quiet here.
4.We can’t speak Chinese in as English class.
We must speak English.must 必须
mustn’t 不可以
can 可以 =may=can’t=may notA: Can (May) I leave school at three?
B: No, you can’t (may not). School is over at four.(肯定回答:Yes,you can.)A: Must I hand in my homework now?B:No, you needn’t. But you must hand it in
tomorrow.(肯定回答:Yes,you must.)A: May I leave now?
B: Yes, you may.
No, you may not.=Sure. Certainly. Of course.=I’m afraid not.2. A: Can I use your computer?
B: Yes, you can.
No, you can’t.=Sure. Certainly. Of course.=Sorry you can’t.3. A: Must I hand in my homework today?
B: Yes, you must.
No, you needn’t.Read the dialogues:1.What kind of verb form (动词形式) follows
can, may, must and need?
2.Do we need to change the form of can, may,
must and need after he or she?
3.What’s the negative form (否定式) of can
and may?
4.Which is the correct(正确的) answer?
---Must I come to school before 7:00?
---____. A. No, you mustn’t.
B. No, you needn’t.Questions Listen & CompleteWe ________ eat or drink in class.
We mustn’t be _____ ______ class.
We ______ _______ on the grass.
We ______ _______ in our English classes.
We _______ draw pictures on our desks.
We must ____ the __________ before each class.mustn’tlate forcan’t walkspeak Englishmustn’tcleanblackboardLet's speakModel 1
A: Are you leaving the classroom?
B: Yes, I am.
A: Then you must turn off the lights.leave the classroom
turn off the lightModel 2
A: Must I clean the window now?
B: No, you needn’t. You may clean it after class. clean the window now
after classModel 3
A: May I borrow this magazine?
B: I’m afraid not. You can’t take any magazines out of the reading room. You can only read it here.1. You___hand it in at once, you may
hand it in tomorrow.
(A) needn't (B) may not (C) can't (D) must not Exercises:2. ---___ I water the trees on Tuesday?
--- No, you needn't.
(A) Can (B) Must (C) May (D) Shall 3. May we___ in the halls?
(A) smoking (B) will smoke
(C) to smoke (D) smoke4. ---Must we come tomorrow?
---___ .
(A) No, you can't (B) No, you needn't
(C) No, you must (D) No, you may ABDB 5. ---May I take this book out? ---No, you___. (A) needn't (B) couldn’t (C) can't (D) aren't 6. ---Can I sit here?
--- ______.
(A) No, you can’t. (B) Yes, you mustn’t.
(C) you can. (D) No, you must.
7. He mustn’t ____ here .
(A) smokes (B) smoke (C) smoking (D)smokedCAB
8. Cars _____ stop when the traffic light is red.
(A) may (B) can (C) must (D) need
CLet's talkOur School RulesHomeworkWorkbook P. 31 Ex II
Write about 50 words on Our School Rules.Conclusion(小结)表示 “义务” ? must 必须 needn’t不必要
表示 “许可” ? can, may “可以”
can’t, may not, mustn’t “不可以”can,may还可以表示 “能力”及 “可能性” 见附表IVWe mustn’t draw pictures on the wall.
We mustn’t run in the classroom.
We mustn’t make phone calls in the class.
We mustn’t waste(浪费) water/food .
We mustn’t throw(扔) paper on the ground.
We must keep our school clean.
We must help each other.
We must come to class on time.
We must turn off the lights when we leave the classroom.
We must finish our homework by ourselves in time (及时).
observe the school rules