test your use of used to

They have been married for six months [[1]] They have been marring for six months [[2]] It has been snow all night [[2]] It has been snowing all night [[1]] How long have you been knowing about that? [[2]] How long have you known about that? [[1]] She has been seeing him for a long time [[1]] She has saw him for a long time [[2]] He has already posted the letter [[1]] He has already been posting the letter [[2]] The workmen haven't been finishing the road yet [[2]] The workmen haven't finished the road yet [[1]] We have been travelling all night [[1]] We have travelling all night [[2]] He has been sleep for ten hours [[2]] He has been sleeping for ten hours [[1]] Have you been eating my chocolate? [[1]] You have been eating my chocolate? [[2]] He has played tennis twice [[1]] He has been playing tennis twice [[2]]