Step 1 Revision
1 Check the homework.
2 Books closed! Get the Ss to ask and answer about the picture on SB page 15， Part 2.
3 Draw a time line for Lucy：
Yesterday： Lucy
9：30→→→→→→10：30→→→→→→noon
cleaning her room doing her homework
12：00→→→→→→1：30→→→→→→4：30
having a rest playing in the park
Get the Ss to ask and answer What was Lucy doing at ten o'clock yesterday morning? etc.
Step 2 Listening
SB page 16， Part 1. Listening Cassette
Lesson 16. Wb Lesson 16， Ex. 1. Make sure the Ss understand what to do. Play the tape through once. Then play it again， pausing after any important information to give the Ss a chance to write down the answers. Let them check their answers in pairs. Play the tape again if there are any arguments. Check the answers with the whole class.
Listening text
POLICEMAN： Mr Green， what were you doing at eight o'clock last night?
MR GREEN： Er， I was going home from a meeting.
POLICEMAN： What meeting?
MR GREEN： A parents' meeting at school.
POLICEMAN： I See. OK. Mrs Black， what were you doing at eight o'clock last night?
MRS BLACK：I was working late.
POLICEMAN： Working? At eight o'clock in the evening?
MRS BLACK： Yes. There were about ten of us there last night. We were working late.
POLICEMAN： OK. Now， Mr Brown， what were you doing at eight o'clock last night?
MR BROWN： Um， I was watching TV with my wife.
POLICEMAN： I See. Oh， where is your wife， please?
Can I speak to her?
MR BROWN： Sorry， she isn't here today. She went toParis yesterday.
Ask the Ss in Chinese： Who don't you believe? Why?
Step 3 Read and say
SB page 16， Part 2. Read through the words in the boxes with the Ss. You can play a game， like this：
S1 (Policeman)： What were you doing at ten o'clock yesterday morning?
S2： I was working in the hospital.
S1： Are you a doctor?
S2： Yes， I am.
See if the policeman can guess the job correctly each time! Ss can play this game in pairs.
Then， Ss can make up dialogues like the one at the end of Part 2.
Step 4 Stress and intonation
Wb Lesson 16， Ex. 2. Speech Cassette
Lesson 16. Remind the Ss that we pause at the end of a clause when we are saying a long sentence. Notice， too， that our voice goes up at the end of a yes/no question and down at the end of most statements. Play the tape for the Ss to listen and repeat. Pay attention to their intonation. Practise the sentences several times if necessary.
Step 5 Checkpoint 4
Go through Checkpoint 4 with the Ss and discuss any problems that arise. Practise the “useful expressions” Make sure the Ss understand the meaning of these expressions and when to use them.
Step 6 Test
Ask the following questions orally. Ss should write down their answers using complete sentences.
1 What were you doing at nine o'clock last night?
2 What were you doing at ten o'clock last Sunday morning?
3 What were you doing at three o'clock yesterday afternoon?
4 What were you doing at six thirty this morning?
5 What were you doing when I came into the classroom?
Step 7 Workbook
Wb Ex. 3. Do the first one as an example， then the Ss can work alone.
Homework
Finish off the Workbook exercises.
As the Ss to do Ex. 4.
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