They ... singing. , are, is, isn’t , aren't, She ... watching TV. , are, is, isn’t , aren't, He ... reading books. , is, am , are, aren't, I ... cooking. , is, am , isn’t , are , Mary ... drawing. , is, are, am, isn't, They ... jumping. , isn’t , are , aren’t , is , I ... reading. , am  , is, are, am not, The boy... riding a bike. , is, am , are, isn't, Tom ... playing basketball. , is, am , are, isn't, He ... running. , am , are, is,  isn't, My friend ... singing., are, is , isn’t , am, We ... flying. , are, is , am , aren't, You ... swimming. , am, are , is ,  aren't, The dog..... sleeping., am, is, are, isn't, The cat..... playing., am, is, are, isn't.

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