Countable nouns refer to things that can be counted, such as individual objects like pens, dogs, bottles, and coins. They can be singular or plural, take indefinite articles like "a" and "an", and can be used with quantifiers like "few" and "many". Uncountable nouns refer to substances or abstract concepts that cannot be counted, like water, jelly, and butter. They cannot be made plural and are used with quantifiers like "much" and "a little".

1. CountableNounsThey are things that we can count. For example: "pen". We can count pens. We can have one, two, three or more pens. Here are some more countable nouns:dog, cat, animal, man, person bottle, box, applecoin, ruler, dollar cup, plate, fork table, chair, suitcase, bag

2. Countable nouns can be singular or plural:My dog is playing. My dogs are hungry. We can use the indefinite article a/an with singular countable nouns:Adog is an animal. We need anegg for the cakeWe can use a fewand many with countable nouns:I have a fewdollars. I don`t have many pencils.

3. UncountableNounsThey are things that we can´t count. For example, we cannot count "milk". We can count "bottles of milk" or "litres of milk", but we cannot count "milk" itself. For example: Water Jelly Butter Cereal Rice

4. Uncountablenounscan´tbe plural.Butter, meatNOT TWO BUTTERS We can use much and a little with countable nouns:I Don´t drink muchsodaWe need a littlesugar for the cake.