Do you think English grammar is confusing Ever wonder why can we say a dollar but we cant say a money Why can we say houses, but not furnitures In this class, you will learn the grammar rules about countable and uncountable nouns in English, including when to use a or an, when to add an s at the end of a noun to make it plural, and when you should NOT add an s. You will also learn about the difference between much and many. Test yourself with the quiz at