Complete the sentences as in the example. Long form Short form 1 1....am... singing. (✔) 1.m. singing. (✔) 2 We brushing our teeth. (✔) We brushing our teeth. (✔) 3 He doing his homework. (✔) He doing his homework. (✔) 4 It flying. (✔) It flying. (✔) 5 They..are.not... drinking tea. (x) They... aren't... drinking tea. (X) 6 You sitting. (X) You sitting. (X) 7 She swimming. (X) She swimming. (X) 8 It barking. (X) It... barking. (X)