These are very important and basic rules for learning English. Lets start learning:
Noun: a naming word. Noun is of two types- countable and uncountable. Countable Nouns: Boy, girls. Uncountable Nouns: water, friendship. Again Nouns can be classfied as Proper - Rahim, the Atlantic, Common- boy, Material- water, Collective - class, sworm, Abstract - friendship, honesty.
Pronoun: Words that replace noun. Examples - I, me, mine, we, us, ours, myself, ourselves.
Adjective : Word that describes noun or pronoun. Examples: one, first, hot, my, what, this.
Verb: action word. Example- am, have, do, can, take.
Adverb: Word that describes verb, adjective and adverb, or the whole sentence. When, how, where, tonight, nicely, here.
Preposition: States relationship between noun and other words. Example : at, on, by, in, to, into, after, between.
Conjunction : Connecting two or more words or clauses or sentences. Example- and, but, or, too...to.
Interjection: Word expressing exclamation or deep emotion.