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Unit 4 Road safety
Background information：
本单元围绕“行路安全”这一话题，呈现了若干行路规则和安全知识，旨在引导学生树立正确过马路的安全意识。这一话题与学生的生活密切相关，教师在教学过程中可以联系生活实际，鼓励学生认识更多的交通标识，掌握安全知识，做遵守交通规则的社会公民。本单元的目标语法是情态动词must 和其否定形式mustn’t的用法，另外，本单元还再现了情态动词can和否定形式can’t的用法。
Teaching aims and learning objectives：
1. 能听懂、会说、会读safety, cross, safely, zebra crossing, pavement, look out for, easily, rule, stay.
2．能听懂、会说、会读和会拼写road, must , safe, follow, light;
句型和日常用语You must…You must not…
3. 能了解句子的重读，并能在平时的朗读中形成习惯。
4. 了解中西方两种通行制度。
5. 了解字母y在单词中的读音。
6. 能正确理解、朗读story time 和cartoon time，了解一些行路安全的规则和安全知识。
Focus of the lesson and predicted area of difficulty：
1. 能正确理解、掌握对话内容，并能朗读、初步表演对话。
2. 能正确使用情态动词must和mustn’t 的用法；must 和can 的区别。
Periods：
五课时
Story time 第1课时
Grammar time, Fun time & Sound time 第2课时
Cartoon time & culture time 第3课时
Checkout time & Ticking time 第4课时
Ticking time (review , exercise) 第5课时
第四单元第2课时
（课型：新授 设计：周锭 授课时间： 月 日）
Teaching content：
Grammar time, Fun time & sound time
Teaching aims and learning objectives：
1. 在复述课文的过程中复习上节课所学的词汇和课文内容。
2. 通过填空等练习能正确的听、说、读单词： a pavement, a road, a zebra crossing, green man, red man, traffic lights
3. 在情景中正确运用日常交际用语You must \mustn’t… you can\ can’t…
4. 通过本课时的学习，学生能归纳出情态动词的不同用法并准确运用。
Focus of the lesson and predicted area of difficulty：
1．The students can use the phrases a lot of , some, a few and a little.
2．The students can retell the text and say some body’s diet.
3．The students can try to make dialogues about diet with the sentence: What do you have for…?.
Teaching aids：
Tape recorder, pictures, PPT
Teaching procedures：
Step 1 Revision
1．Review the text
T: Good morning, class. Last lesson, we learned the text ‘Road safety ’, did you remember?
Ss: Yes.
2. Answer the questions.
教师提问，让学生回忆课文，回答出正确答案
a. How can you cross the roads safely?
b. When you can’t find a zebra crossing , what can you do?
c. What must you not do on the road?
问题回答后，让个别学生朗读课文，并复述课文。
T: Who can read the text for us?
Ask some students to read the text.
3. Show your play: On the road.
Step 2 Grammar
1. Learn “must” and “mustn’t”, “can” and “can’t”
T: You know the rules very well.
To keep safe, we must follow the rules. Everybody must follow the rules everywhere and at all the time.
Do you know “must”?
Ss: Yes.
T: Mustn’t means you shouldn’t do the things. Mustn’t= must not.
a. Read the four sentences on P39. Understand the sentences.
b. Play a game: 去掉“must” and “mustn’t”.（比较句子的含义发生了什么变化。）
Then teacher ask them to make sentences with “must” and “mustn’t”.
eg. You look for a zebra crossing. ----You must look for a zebra crossing.
You play football on the road. ----You mustn’t play football on the road.
(也可以把本部分两个方框中句子中的情态动词 can 和must, can’t 和mustn’t 进行调换，体会其意义和用法)
c. Discuss in groups and make sentences..
2. Choose the words to complete the sentences.
“must、mustn’t、can、can’t”.
You eat too much sweet food.
They wait under the big tree.
You keep your classroom clean.
You plant more trees to keep the air clean.
You run quickly on the road.
Summary:情态助动词can, must的用法：
can: 能，可以。Can’t: 不能，不可以,是否定形式。后面都接V原形.
Must：必须，一定，mustn’t: 禁止。后面也加V原形。Must….?回答：Yes, sb. must. No, sb. needn’t
Step 3 Fun time
1. Play the game in groups: (模仿书上范例玩“红绿灯“游戏，一人为交警，提出问题，指定人回答，要求迅速准确。)
2. Change the places:
T: What must you do in the library?
Ss: You must keep quiet.
T: What mustn’t you do in the library?
Ss: You mustn’t eat or drink here.
3. Listen and repeat. (听着对就跟读，否则不跟读，并订正。)
主要考察学生对must和 mustn’t用法的掌握，不过要跟熟练地听、说、读。
Step 4 Sound time
T: You tell others the rulers with “must、mustn’t、can、can’t” correctly. And you can use Stress correctly. Let’s listen what the stress is? (告诉学生除了情态动词可以表示事情的重要性外，对句中个别词的重读也可以起到强调的作用。)
Listen and repeat. 感知被重读的单词。
Practice in groups.
Show time.
举一反三朗读本单元Story time 中的句子，尝试重读和弱读。
Step 4 Homework
1. 熟读Story time，注意重读。
2. 抄写Grammar 中的句子。并用“must、mustn’t、can、can’t”.
仿写4个句子。
3. 预习Cartoon time.
Blackboard design：
Unit4 Road safety
can: 能，可以
can’t: 不能，不可以
must：必须，一定
mustn’t: 禁止。后面都接V原形
Teaching reflection：通过本课时的教学，学生对情态动词的用法进行总结和归纳，并能在具体情境中加以运用。
对于程度副词a little,a few,some,a lot of的学习则侧重于估计所见的事物的数量，帮助学生形成量的概念。
整个教学重点在于情境中运用词汇这一策略，注重情景的创设，但是也要注意情景的整体性和一致性，以免形成零散的感觉。
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