仁愛版初中英語八年級上冊教案

Unit 2 Keeping Healthy

Topic 2 I must ask him to give up smoking.

Section B

Teaching person: Gao Cuiwei

Teaching time：one class

Teaching aims：

1. New words: article , smoke, cancer, litter, dustbin, lawn, energy, necessary, enough

2. Learn some useful sentences:

(1) How terrible!

(2) Don’t walk on the lawn.

(3) It’s necessary for your health.

(4) Smoking is bad for his health.

3. The use of “ must ,must not”

(1) I must ask him to give up smoking.

(2) You must put litter into the dustbin.

(3) You must not throw litter around.

4. Help students form good habits.

Teaching importance : aim 1 ,2, 3.

Teaching difficulty:

It’s necessary for sb. to do sth.

Teaching steps:

一 、Sing an English song. Then greet between the teacher and the students .

二　、 Review the dialog of Section A.. Ask some sentences:

Staying up late is bad for your health.

Is going to bed early good or bad for our health ?

It’s good .

Doing morning exercises is good for our health.

三　、 New lesson:

（一） 1a

1. Read the dialog by themselves . Find the new words and understand their meaning and pronunciation.

2.Listen to the tape and read after it. Thinking :What’s the dialog about ? After reading ,answer it .

3. Read again and understand the dialog with some questions. After reading it ,answer them.

1)What is Wang Junfeng reading ?

2)What does Maria’s father think of smoking ?

3)What must Maria do ?

4. After answering them , explain and practice useful phrases .

Give some examples .

Smoking is bad for his health .

I must ask him to give up smoking .

The use of “must ” .

How terrible !

（二） 1b

1. Read and match the sentences by themselves . 2 .Then say the sentences without looking at the book. 3 . Summarize the use of “must , mustn’t ”

--Must I finish the task now ?

--Yes , you must .

-- No, you needn’t . --No , you don’t have to .

（三） Look at the picture and say some sentences using “mustn’t , don’t ” .

For example: You mustn’t walk on the lawn . Don’t walk on the lawn. You mustn’t climb the tree. Don’t park your bike here and there . Don’t take your pet to the school . You mustn’t throw litter around .

（四） 2a 1 . Read the following sentences and understand them. . 2 . Read them after the tape twice . . 3 . Say the sentences without looking at the book.

4. Solve the hard sentences and useful expressions. It’s necessary for sb. to do sth.

For example : It’s necessary for us to review often .

四　、Show some exercises to check the importance.

1 . _______ ( smoke ) is bad for your health .

2 . We must _______ (follow ) the school rules .

3 . Don’t ________ ( read ) in the sun .

4 . You mustn’t ________ ( stay ) up late at night.

5 . ---Must I stop watching TV right now ?

--- No , you ______________ .

6 . It’s necessary ____ us to know some traffic rules .

7. _____ sweet music ! _____ fast he runs ! ( What or How )

五　、Summarize the useful languages and read them. .

六　、Homework.

Write six sentences using “ must , mustn’t , don’t “

七　、The design of the blackboard ,

Section B

1 . must do , mustn’t do ,

---Must I /we do ?

--- Yes , you must .

--- No , you needn’t .

--- No , you don’ t have to .

2 . How terrible ! What a lovely cat !

3. It’s necessary for your health .

4 . Smoking is bad for our health .