Unit4 Road safety第2课时 课件(共24张PPT)

(共24张PPT)
Unit 4 Road safety
Grammar time
Fun time
学习任务一
Let's talk导入。
Do you know any signs on the road
What do they mean
Let’s talk.
signs on the road
学习任务二
复习并巩固过马路的安全守则。
Let’s review.
How can we cross the road safely
First, you must .
Next, you must .
Then, you must .
look for a zebra crossing
look at the traffic lights
wait for the green man
Let’s review.
How can we cross the road safely
First, you must .
.
Next, you must .
Then, you can also .
wait on the pavement and look out for
cars and bikes
first look left, then right and left again.
cross the road with other people.
Let’s review.
What must we not do on the road
We mustn’t .
We mustn’t .
We mustn’t .
play football on the road
skate on the road
run or play on the road
dangerous
学习任务三
Let's learn. 通过观察类比，
归纳总结must语法知识。
Let’s learn.
You must look for a zebra crossing.
You must look at the traffic lights.
You must wait for the green man.
主语
must
动词原形
其他
must
must
must
look
look
wait
+
+
+
must是一个情态动词； must do sth. 必须做某事
Let’s learn.
We mustn’t play football on the road.
We mustn’t skate on the road.
We mustn’t run or play on the road.
主语
mustn't
mustn’t
mustn’t
mustn’t
play
skate
run
动词原形
其他
+
+
+
must是一个情态动词； mustn't do sth. 禁止做某事
Tips:
mustn’t= must not
学习任务四
基于must语法知识的语用实践操练。
Look and say.
What mustn’t we do here
We .
mustn’t park the car here.
Look and say.
What must we do in the library
We .
must keep quiet.
Look and say.
What
We .
mustn’t smoke
mustn’t we do in the cinema
Get to know more.
We must keep quiet in the library.
We have to keep quiet in the library.
must keep
have to keep
must do sth. = have to do sth.
必须/不得不做某事
Let’s say.
1. 我必须要去上学。
2. 刘涛不得不去刷牙。
3. 他们必须努力学习。
4. 我们不得不认真听课。
5. 我必须先做完作业，然后再出去玩。
Let’s learn
You may run fast in the playground.
You can run fast to catch the bus.
You should run fast in a running match.
You must run fast when it’s on fire.
按照语气强弱排序：
should
must
can
may
情态动词
动词原形
必须 应该 能够 可以
Fun time
五人一小组，开展“红绿灯”游戏问答，一人演交警，提出问题，指定某人回答，其他人要给予反馈。
Rules of the game
Red man, stop. Green man, go!
S1：Red man, stop. Green man, go!
What must you do on the road
S2: I must look out for cars.
S3: Right.
S1: What must you do on the road
S4: I must run quickly on the road.
S5: No, you mustn’t run quickly on the road!
Let’s say.
Nancy is a new student in Yang Ling’s new school.
There are some rules she must know.
Please show her around the school and tell her about the rules.
Hello, Nancy. This is our...room.
Wow. How nice! What must I do here
You must...
Thanks. What must I not...
You mustn’t...
...
Different rules around us.
Different rules around us.
Different places,different rules.
We must follow different rules
in different places.
Summary.
1.询问别人如何安全过马路：How can...cross the road safely (cross是一个动词)
2.询问别人禁止做事：What must...not do...
3.情态动词+动词原形：must/can/should/may+V原形
4. must do sth.=have to do sth. 必须做某事
5. mustn’t do sth.禁止做某事
Homework
1. Look for more rules in public places.
2.Write down the rules. The more, the better. (仿照Grammar time写得越多越
好,也可以小组合作，制作“规则”相关的海报，如：classroom rules等)
THANKS