She is reading a book, She isn't reading a book, She isn't swimming, She is running, They are playing football, They aren't playing football, I'm not painting a picture, I'm running, He is swimming, He isn't running, It is eating, It isn't swimming, She isn't painting a picture, She is playing football, He isn't running, He is dancing, They are reading, They aren't swimming, It is swimming, It isn't running

negative structure

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