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1.Ask and answer:
What is Tom doing?
What is Lucy doing?
What was Tom doing at that moment?
What was Lucy doing at that time?
2.Practice:What were they doing?
Step2: Presentation
Work out the rules according to these sentences.
Present past continuous tense.
We use the past continuous tense to talk about things that were happening at a particular time in the past.
1) 基本结构：was/were + Ving
2) 肯定句: 主语 + was/ were + Ving
3) 否定句：was/were not + Ving
was not = wasn’t
were not = weren’t
4 )一般疑问句：将 was/were 移到主语前
特殊疑问句：疑问词 + was/were +主语 + Ving …?
Step3: Practice:
ask and answer.
Finish the exercise on page97
Do some extra exercise.
Step4: Presentation:
Look at the pictures and answer the questions.
What was the rabbit doing just now?
What was the pig doing just now?
The rabbit was jumping while the pig was dancing.
Present the use of while.
While:Two long actions went on at the same time
Using while, when and as.
while, when and as 都表示“当……的时候”。