Countable and uncountable nouns

• Countable: burger, potato, banana, salad, pasta, tomato, avocado, celery, onion, meat, yoghurt, orange.
• Uncountable: rice, sugar, water, ketchup, cheese, milk, bread, butter, orange juice.

Countable nouns are things we can count. They have a singular and plural form.

Uncountable nouns are things we can't count. They usually don't have a plural form.