Mark Kulek: Uncountable Nouns + Of (series #1)
Learn English - Mark Kulek ESL: Study Uncountable Nouns (mass nouns): flour, money, chocolate, bug spray, bread, gold, butter, detergent, furniture, lumber. How to count these: a bag of flour, a bag of money, a bar of chocolate, a can of bug spray, a loaf of bread, a bar of gold, a stick of butter, a bottle of detergent, a store of furniture, a stack of lumber.
