1. Help students form groups of four. Say, one of you is student A. Student A invites the other three students to your party. The other students say "yes" or "no". Remember to give a reason.

2. Have the students work in groups.

3. Let some groups ask and answer about their conversations.

Ⅵ. Listening

Work on 2a:

1. Read the sentences in 2a. Tell Ss they will listen to some sentences. They should listen and circle the words "can" or "can't" in the bracket.

2. Play the recording for the Ss to listen and circle the words.

3. Play the recording again to check the answers.

Work on 2b:

1. Let Ss read the chart below. Tell Ss, this time they must write the reasons in the chart. Make sure they know what to do.

2. Play the recording for the Ss to write the reasons in the chart.

3. Play the recording again to check the answers.

Ⅶ. Pair work

1. Tell Ss to look at the reasons in the chart in 2b. Then write some more.

2. Let Ss read conversations in 2c.

3. Ss practice the conversations using the reasons in the chart on the right.

4. Ask some pairs to act out their conversations.

Ⅷ. Role-play

1. Read the conversations and answer the questions:

1) What did they do last fall? _____________________________________

2) What does Nick have to do on Saturday? _____________________________

3) When will they hang out? _____________________________

2. Explain some new words and main points in the conversation.

until, not...until, hang out, catch