Even if it's just a little while to leave the room, remember to turn off the light.

Even is mainly used as a noun, verb, adjective, and adverb. When used as a noun, it means "(Poetry, text) dusk, evening", when used as a verb, it means "to make flat; to make equal", when used as an adjective, it means "flat; stable; equal; balanced; even numbered; of the same size; divided equally" "even; even; calm", when used as an adverb, it means "even, even; more, still; actually".

Noun classification:

1. Uncountable nouns

It cannot be divided into individual concepts, states, qualities, feelings or things that represent material materials; it generally There is no plural form, only the singular form, and it cannot be preceded by the indefinite article a / an. Abstract nouns, material nouns and proper nouns are generally uncountable nouns. Such as milk (milk), bread (bread), coffee (coffee), etc.

2. Countable nouns

Can be divided into individual people or things, so it has a plural form. Such as cup (cup), cat (cat), etc.