The Third Period—Section B(1a－1d)
Teaching Important Points 【教学重点】
Key words & phrases：
land，suit
run after，catch a bus
Key sentences：
1.He could be running for exercise.
2.He might be running to catch a bus to work.
Key structure：
could/might/must＋be＋doing
eg：He could be running for exercise.
Teaching Difficult Points 【教学难点】
★How to make inferences.
Teaching Aids 【教学工具】
A tape recorder，CAI or multimedia courseware.
Teaching Steps 【教学过程】
★Step 1 Leading in 【新课导入】
1．Greeting
2．Discussing
Show a picture of a room.Then ask individual students like that in activity 4c，Section A.
★Step 2 Cooperative inquiry 【合作探究】
1．Finish the task in 1a
①Ask the students to read the words in the box.
②Ask the students to look at the pictures，then describe the pictures.
③Use the words in the box to write a sentence about each picture.
a．A UFO is landing.
b．An alien is running after a man.
c．A man is running.
2．Finish the task in 1b
①Talk with the students about the three pictures in 1b.
②Play the recording for the students to check their prediction.
③Listen again and ask：What might happen next？Get the students to use target language to predict the following things of the story.Share their views in class.
3．Finish the task in 1c
①Play the recording again and let students listen and fill in the blanks in 1c.
②Students check their sentences.
4．Finish the task in 1d
①Work in pairs and make conversations like that in 1d.
②Ask some students to act out their conversations.Other students listen and learn from them.
