She _____ swimming., is, isn't, are, He _____ singing., am, is, aren't, They _____ swimming., is, are, am, She _____ swimming., is, isn't, aren't, She _____ skipping., are, am, is, He _____ playing tennis., are, is, isn't, He _____ rollerblading., is, aren't, are, It _____ flying., am, is, isn't, It _____ sleeping., aren't, isn't, is, They _____ sleeping., isn't, are, aren't, They _____ swimming., are, am, is, She _____ running., aren't, is, isn't, He _____ dancing., am, isn't, is, They _____ reading., aren't, is, are, She _____ playing., is, isn't, am.

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