2. To understand the meaning of the poems

1. To learn about rhyme schemes, stress and intonation of poetry.

l To learn about rhyme schemes, stress and intonation of poetry 2 To learn new vocabulary to talk about pets 3 To read about animal behavior

3.Underline useful phrases and sentences

Step 4 　Activity

Elicit statements from students using different modals to talk about a situation

A new student is joining the class .Ask what instructions can you give the new student? e.g.,

You must arrive at school at 8.10 in the morning.

You should walk slowly on the stairs .

You should hand in your homework to the monitor.

The class has to choose a class monitor .Ask What are his/her duties ?e.g.,

Step5 Homework

2.Read part partB2 carefully and finish partB3 as individuals

1.Finish partB1 on page 100

6.Some exercises

Step 3 Practice

5. have to, don’t have to

表示由于客观因素所逼不得不做某事。

我们不得不呆在家，因为天在下雨

We have to stay at home because it is raining .　

如果他们需要帮助不必要走远。

They　 don’t have to go far if they need help with their homework!

4. Differences between ‘should’ and ‘must’

6.Summary　　 must, must not/mustn’t

A.表示义务，意为“必须”(主观意志)。 We must keep quiet in the reading room.　

--Must we hand in our exercise-books now?　 我们现在就要交练习本吗？ --Yes, you must. 是的，必须交。

--No, you needn’t. / No, you don’t have to.　 不必。(不用mustn’t)

B. must not/mustn’t表示“不允许”“不准”

You mustn’t swim in this river. It’s too dangerous!　 不准在这河里游泳，太危险了！ C.表示推测，意为“想必、准是、一定、肯定是”等，只用于肯定句。否定为can’t He must be ill. He feels bad.　 他准是病了，他感觉很不好。