小学英语人教精通版五年级下册Lesson 17完整版ppt课件

Unit 3 We should obey the rules. Lesson 17 

一、教学目标

知识与技能：学习使用must告诫别人“必须做某事”，使用mustn’t警告别人“一定不要做某事”。

过程与方法：引导学生分几个步骤进行观察。先观察画面反映的地点和事物，再观察画面中的人物在干什么。

情感态度与价值观：熟悉社会生活中的各种规则，并能够自觉遵守各种规章制度,自觉帮助他人，努力使自己成为一个有良好社会公德的小公民。

二、教学重点难点

must告诫别人“必须做某事”，使用mustn’t警告别人“一定不要做某事”的用法。运用本课所学劝告他人遵规章制度，养成良好生活习惯与社会公德。

三、教学过程

Step 1 Warm up热身复习

T: Good morning, boys and girls. How are you today? We will learn Lesson 17 in this class. We will talk about rules in public places.

1. Firstly, let’s sing a song together, OK?

2. Listen carefully, and answer my questions.

The first one, how to be a good student at school?

       Don’t be late for class/school.

       Don’t make noise in class.

       …

The second one, how to be a good student at home?

       Help to do housework.

       Don’t watch TV too often.

       …

3.T: Now, let’s look at some pictures. Let’s talk: If you want to be a good boy or a 

good girl, what should we do? And what we shouldn’t do. Let’s look at those pictures.

S: We/I shouldn’t make noise.

We shouldn’t eat in class.

We should be quiet.

We should ask and answer questions actively.

We should keep your room clean.

We should do housework.

Step 2 Presentation 导入新课

1.T: You are all good students. Today, let’s go to some public places, let’s have a look, what we should do and what we shouldn’t do. OK?

S: OK.

T: Show the picture of traffic lights. Red light and green light. Let the class know the lights of different colors. Let the class see the picture. The light is red, but the man wants to cross the street. So it’s very dangerous. What should we say to him? Help the class to say. “Look out. Be careful.”  利用熟知的交通规则的图片, 制造紧张的气氛, 为了让学生迫不及待的说出英语句子, 来加强学生的印象。

Show the picture and judge.

The light is red, what should we do?

The light is green, what should we do?

We must cross the road.

We mustn’t cross the road.

You must wait for the green light.

2.Look at other pictures at public places.

1) T: Look at the picture, there are many flowers in it. And what is the girl doing?

S: She’s picking the flowers. How to say in English?

T: pick flowers. Is she right or wrong?

Yes, she is wrong. So she mustn’t pick the flowers.

引导学生在句子中填入mustn’t，了解如何使用禁止mustn’t一词。

2） 摘花：You mustn’t pick the flowers.

3）扔垃圾：You mustn’t litter.

4） 吐痰：You mustn’t spit on the ground.

5）进入草地：You must keep off the grass.

6） 照顾小孩：You must take good care of young children.

Step 3

导入must“必须，一定”，和mustn’t“禁止”做某事与学过的规则搭配使用。

Step 4 Let’s play a game.

Someone will come to the front, and say a rule to the class.

If the rule is right, you say “Yes, Yes, Yes” and clap your hands.

If the rule is wrong, you say “No, No, No” and shake your heads.

帮助学生巩固记忆，加深印象。

Step 5. Conclusion

能够充分理解并正确使用must“应该，应当”和mustn’t“禁止”。

了解了一些公共规则。

We should obey the rules.

Blackboard writing:

You must:                               You mustn’t:

wait for the green light                     pick the flowers

keep off the grass                         spit

take good care of young children             litter