Unit 3 We should obey the rules Lesson 17说课稿

Lesson 17
Teaching aims
Knowledge aims
Learn the new phrases and words.
Master the sentence patterns.
Ability aims
Enable the Ss to understand the usage of must and mustn’t.
Enable the Ss to talk about the social rules.
Main and difficult points
New words: must, mustn’t, cross, wait, spit, litter, pick, young, children
Phrases: cross the street, wait for the green light, spit on the ground, keep off the grass, pick the flowers, take good care of young children, look out
Sentence patterns: You must… You mustn’t…
Teaching aids
Tape recorder
PPT
Pictures
Blackboard-slips
Teaching procedures
Step 1: Warm up
Brainstorm
T: Let’s talk about the class rules.
S1-6:
T: How about the home rules
S1-6:
[设计意图]：前面四节课学习了班规、家规，通过头脑风暴的形式让学生参与思考，调动学习积极性。
Enjoy a song.
Step 2: Presentation
T: Boys and girls, spring is coming. Shall we go to the park
S: OK!/ Great!
T: Look out! (出示红灯) You mustn’t cross the street.
[设计意图]：语气略夸张，让学生感受Look out 的含义。
We can also say: “No crossing.”
(出示绿灯)T: You must wait for the green light.
(继续走)T: The park is right here. Let’s go and play.
(出示吐痰人物)T: The boy is spitting on the ground. Is he right
S: No!
T: What should we say to him
S1: You mustn’t spit on the ground.
[设计意图]：进入公园出示吐痰的小孩，让学生观察辨别对错，并引导学生说出“随地吐痰”的词组，进行操练，及时拓展。
(出示乱扔垃圾的人物)T: The boy is littering. It’s very bad. We should say: …
S2: You mustn’t litter.
(出示踩草坪和摘花的人物)T: Oh, so many flowers! How beautiful!
S3: You must keep off the grass.
S4: You mustn’t pick the flowers.
(出示哭闹的小孩)T: There is a little boy. He is crying. What should we do
S5: You must take good care of young children.
[设计意图]：词组较长，多给时间操练。
Step 3: Practice
Listen and read.
Let’s recite.
I do you say.
Guess the meaning.
[设计意图]：出示词组对应的图标，让学生猜出图中所表达的涵义，一来复习了本课重难点，二来还可以进行拓展，最后出示标志的分类和规则，帮助学生了解社会上常见的安全标志。
Make some signs.
Exercises.
Step 4: Homework
Recite the dialogue.
Do the exercise book.
Collect and talk about the signs.
Step 5: Blackboard-writing
Lesson 17
Must:
Look out wait for the green light keep off the grass take good care of young children
Mustn’t:
Cross the street pick the flowers litter spit on the ground