-No，they're not free. They might have to meet their friends.

　　Teaching Key Points　【教学重点】

　　　The vocabulary：

　　　invite，accept，refuse，study for a math test

　　　Target language：

　　　Can you come to my party？When is it？Next week，on Thursday night. I'm sorry. I have to study for a math test.

　　Teaching Difficult Points　【教学难点】

　　　Learn to make，accept and decline invitations politely.

　　Teaching Aids　【教学工具】

　　　An English textbook，CAI or courseware.

　　Teaching Steps　【教学过程】

　　★Step 1　Leading in

　　Ask：How many people did you invite yesterday？What did they say?

　　Ask one student to show his or her answers.

　　★Step 2　Pre－task

　　Page 67. Grammar Focus.

　　1．Review the grammar box. Ask Ss to say the questions and answers.

　　2．Talk about the two ways people give reasons for saying no to an invitation.

　　3．Call attention to "must" and "have to"．

　　★Step 3　While－task

　　Page 67，3a.

　　1．Call attention to 3a.Read the instructions to the class.

　　2．Ask Ss to read the phrases in the box and the five conversations quickly.

　　3．Ask Ss to complete the answers following the instructions.

　　4．Ask two Ss to act out the conversations they have just completed.

　　Page 67，3b.

　　1．Call attention to 3b.

　　2．Ss complete the sentences with the words in brackets on their own.

　　3．Ask some pairs to present the conversations to the class.

　　★Step 4　Post－task

　　Page 67，3c.

　　1．Read the instructions for this activity to the class.

　　2．Ask Ss to read the sample dialogue.

　　3．Ss complete the chart on the right.

　　4．Then invite classmates to your party. Make conversations following the example in the box.

　　★Step 5　Homework

　　1．Review the grammar box.

2．Do the exercises on Page 61 in students' book.