Teaching aims and demands:
1.To understand and learn more about first aid.
2.Finish the quiz on first aid.
3.Practise th uses of some of the model verbs.
Step 1 Revision
1.Check the homework in Lesson 30.
2.Ask the Ss about first aid.
Step 2 Presentation
Read the introduction aloud and check that the Ss know what they have to do .Us the example in Wb Lesson31 , Ex. 1 as a guide.
Step 3 Practice
Let the Ss read the quiz carefully and discuss their answers in pairs. Collect the answers and give any explanations necessary. Then go through it again with the Ss and deal with any language problems.
Step 4 Language study
1.Ask the Ss What is the difference between “must ” and “have to ”?
2. Go through part 2 and get the Ss to translate the sentences. Point out that in these sentences must and mustn’t are used with you. Do not deal with don’t have to at this stage.
Step 5 Practice
1.Part 3. Explain that the Ss have to make as many sentences as possible from the two boxes. Do the first one from the first box with the whole class, then let the Ss work in pairs. At the end ask for some sentences from the whole class.
2. Before doing the second box, revise briefly the use of don’t have to . Explain that it has the same meaning as it is not necessary to.
Part 4 Do the first three orally with the whole class, then get the Ss to work through the exercises in pairs. Check the answers at the end.
Step 7 Practice
Part 5. Go through the example sentences. Explain that must does not have a future or a past tense.
Fill exercises in pairs, then check their answers.
Step 8 Homework
Finish off the exercises in your Workbook.