Hey, guys. Today we will also start learning English grammar. Our first topic: Singular and plural nouns. Example: Last summer I visited London. a pizza - two pizzas; an apple - five apples; an egg - some eggs; a melon - three melons. bottle - bottles; pen - pens; window - windows; coin - coins. box - boxes; moss - mosses; bus - buses; potato - potatoes. wolf - wolves; wife - wives; leaf - leaves; life - lives. day - days; baby - babies; toy - toys; family - families. man -men; woman - women; fish - fish; tooth - teeth; foot - feet; deer - deer; child - children; mouse - mice. It's all a rule. Thank you for your attention. Until new publications.