1. Welcome to our class!

2. Hello
Grammar

3. They are all about giving advice.
Modal Verbs 情态动词
They are all about giving advice.
You must take one four times a day. You mustn't forget Ok?

4. We use must (or mustn't) A when something isn't necessary
B when it's very important to do something(or not to do
something).
C when it's a good idea to do something(or not to do

5. We use must (or mustn't) A when something isn't necessary
B when it's very important to do something(or not to do
something).
C when it's a good idea to do something(or not to do

6. They are all about giving advice.
You should eat something half an hour before you take the medicine.
You shouldn't go to bed so late. You look very tired.

7. We use should (or shouldn't)
A when something isn't necessary
B when it's very important to do something(or not to do something).
C when it's a good idea to do something(or not to do something).

8. We use should (or shouldn't)
A when something isn't necessary
B when it's very important to do something(or not to do something).
C when it's a good idea to do something(or not to do something).

9. They are all about giving advice.
You needn't stay at home. You should go for walks in the park.

10. We use needn't A when something isn't necessary
B when it's very important to do
C when it's a good idea to do something(or not to do
something).

11. Can you circle the correct option ?
You must / mustn't run in the classroom.
You should / shouldn't drink more water when you get a cold.

12. Can you circle the correct option ?
You must / mustn't run in the classroom.
You should / shouldn't drink more water when you get a cold.

13. must
should
mustn't
shouldn't
needn't
you work hard

14. must
should
mustn't
shouldn't
needn't
You must work hard.

15. take medicine without asking your mum and dad
must
should
mustn't
shouldn't
needn't
take medicine without asking your mum and dad

16. . You mustn't take medicine without asking your mum and dad. must
should
mustn't
shouldn't
needn't
You mustn't take medicine without asking your
mum and dad.

17. close your eyes and relax / have a headache
must
should
mustn't
shouldn't
needn't
close your eyes and relax / have a headache

18. You should close your eyes and relax if you have a headache.
must
should
mustn't
shouldn't
needn't
You should close your eyes and relax if you have a headache.

19. ride your bike without lights at night
must
should
mustn't
shouldn't
needn't
ride your bike without lights at night

20. You shouldn't ride your bike without lights at night.
must
should
mustn't
shouldn't
needn't
You shouldn't ride your bike without lights at night.

21. cross the road like people in this picture
must
should
mustn't
shouldn't
needn't
needn'
cross the road like people in this picture

22. You shouldn't cross the road like people in this picture.
must
should
mustn't
shouldn't
needn't
You shouldn't cross the road like people in this picture.

23. go to the hospital in the city center /you can buy your medicine here
must
should
mustn't
shouldn't
needn't
go to the hospital in the city center
/you can buy your medicine here

24. You needn't go to the hospital in the city center,
must
should
mustn't
shouldn't
needn't
You needn't go to the hospital in the city center,
you can buy your medicine here .

25. Hello Expansion

26. 想要进一步了解情态动词吗？
1. 情态动词后是动词的原形。
2. 疑问句情态动词直接提到句子最前，否定句就在 情态动词后面加not。

27. 1.We should ( )more flowers, and we shouldn’t cut any flowers.
A.  plant B.  planting C.  plants D. planted
2.Ben must ( ) his homework now.
A. do B. doing C. done D. does

28. 1.We should ( )more flowers, and we shouldn’t cut any flowers.
A.  plant B.  planting C.  plants D. planted
2.Ben must ( ) his homework now.
A. do B. doing C. done D. does

29. 改写句子：
1.She can walk quickly.
She ________ ________quickly . (否定句)
2.She should reach the station early. 
_______ She _______ the station early？ (疑问句)

30. can't walk Should reach 改写句子： 1.She can walk quickly.
She ________ ________quickly . (否定句)
2.She should reach the station early. 
_______ She _______ the station early？ (疑问句)
can't
walk
Should
reach

31. 能找到我们刚才学过的情态动词吗？

32. 这天，红太狼一起床，就像往常那样问灰太狼，你能不能给我抓只羊来啊？好久没有吃过羊肉啦！我太需要吃一只羊补补啦！
灰太狼说，啊？是应该给老婆抓一只了，但我试试啊，也许会抓到吧。
红太狼又告诉灰太狼，你今天必须抓到，要是抓不到，我就给你一个

33. 想要学会对话中出现的我们没学过的情态动词吗？
能：can 也许： may
Can 表示能力
Can you speak English? 你会讲英语吗？
I can speak English. 我会讲英语。

34. 想要学会对话中出现的我们没学过的情态动词吗？
Can 表示请求
Can you help me? 你能帮助我吗？
Yes，I can help you. 是的，我可以帮你。

35. Hello Homework

36.  We （ ）throw the waste in the zoo.
A.  shouldn't B.  must C.  needn't D. need

37.  We （ ）throw the waste in the zoo.
A.  shouldn't B.  must C.  needn't D. need

38. This sign means you ________ (should, shouldn't) touch it.

39. This sign means you ________ (should, shouldn't) touch it.

40. This sign means you ________ (must, mustn't) smoke
here.

41. This sign means you ________ (must, mustn't) smoke
here.

42. 1. Come on! We __________ hurry because there
isn't much time left.
A. may   B. must    C. can   D. need
2. Look out! The knife is very sharp. You ______ cut your
finger.
A. need B. must C. should D. may

43. 3. You _____ return the book now. You can keep it
till next week if you like.
A. can't B. mustn't  C. needn't  D. may not
4. Mike, you ______ play with fire. You______ burn yourself.
A. won’t; can’t B. mustn’t; may C. don’t have to; must D. have got to; shouldn’t