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Amy has been to Beijing three times.
Unit 1 She’s listening to the radio.
Unit 2 I’m drawing a picture.
Unit 1 Sam isn’t tidying his room.
Unit 2 Are you doing your homework?
动词前遇到了谁，使用了变身术ing？
Unit 1 She’s listening to the radio.
Unit 2 I’m drawing a picture.
Unit 1 Sam isn’t tidying his room.
Unit 2 Are you doing your homework?
动词前遇到了谁，使用了变身术ing？
be + doing
表示正在发生或进行的动作。
He is _______.
eating
看图说话
看图说话
She is ___________.
watching TV
看图说话
She is ___and he is ___.
看图说话
They are _______.
看图说话
She __ ___________.
is reading a book
看图说话
She ___ _____.
看图说话
They ___ _____.