_ he sleeping?, is, are, We _ eating , is, are, They _ playing chess, is, are, They _ playing football, isn't, aren't, He _ riding a bike, is, are, He _ skating, isn't, aren't, They are _ , hike, hiking, They _ sleeping, not, aren't, They are __ TV, watch, watching, __, I read, I'm read, I reading, I'm reading, __, What you reading, What are you reading?, , I'm skateboarding, I skateboarding, , He is skateboarding, He skateboarding, , He not swimming, He is not swimming, , Is he skateboarding?, He is skateboarding?.

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