3.　　 Explain something .

2.　　 Read the e-mail by the Ss first .Number the pictures in the correct order .

2.　　 Check the homework .

Step 2　 While-task

SB Page 20 , 3a .

1.　　 Greetings and free-talk .

2.　　 用介词或介词短语填空。

①　　 They were talking 　　the phone .

②　　 I was 　　the barber’s chair .

③　　 The boy was walking 　　the street when a UFO landed .

④　　 I had a very unusual experience 　　Sunday .

⑤　　 The alien visited the Museum 　　Flight .

教学后记:

Period　 2

Teaching procedures :

Step 1　 Leading in

1.　　 Go over the words in this unit

3.　　 Ask a group to say its conversation to the class .

Step 7　 Grammar Focus

Review the grammar box by asking some students to read the sentences .

Homework :

2.　　 Groupwork : Ask “What was …doing when the UFO arrived ?”

1.　　 Point ort the picture .Ask what each person is doing .

3.　　 Play the recording again ,correct their answers .

Notice: when / while

※　　 When comes before a quick action that happens only once .The word “while” comes from an action that continues for some time .

Step 6　 Post-task

SB Page 19 , 2c .