Countable and Uncountable Nouns
1. Can be singular or plural: apple - apples; banana - bananas; person - people.
2. Go with: * a/an + singular form: an apple; a tomato
* some / any: I've got some apples, but I haven't got any bananas.
1. Always use singular form: sugar; milk; rice; water.
2. Go with: * some / any: Is there any milk in the fridge?
There is some rice in the microwave.