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She is writing an e-mail.
What is your mother doing?
He is doing homework.
What is he doing?
They are flying.
What are the birds doing?
They are swimming.
What are the tigers doing?
现在进行时态表示现在正在进行或发生的动作或持续的状态.
现在进行时表示：
小组讨论并做总结
drawing having running
doing writing swimming
cooking taking shopping
listening making
Look and say（小组合作，找规律）
read-- take– write--
wash-- play-- run—
catch-- have-- swim—
fly -- clean-- make--
Read and write（写出动词的ing形式）
reading
taking
writing
washing
playing
running
catching
having
swimming