Mass nouns, countable vs. uncountable
countable and uncountable nouns
I buy beef ..... for my dog every two weeks. She likes to chew on them for hours. This is count noun.
A ..... is a count noun. We often place dishes and silverware on this when we are ready to have a meal.
I have to buy some ...... I want to change the color of my bedroom walls. This is a non-count noun.
We live in a rainforest region, so there is a lot of ..... on the ground every morning. This is a non-count noun.
I want to polish my toe ..... tonight. I think I'm going to use a bright, red color on my feet. This is a count noun.