Nouns name things, places, ideas, and animals.
Pronouns replace nouns.
Adjectives describe and give more information about nouns.
Adverbs describe verbs, adjectives, and other adverbs.
Verbs describe an action or a state.
Conjunctions bridge words, phrases, and sentences. There are three types of conjunctions: coordinating, subordinating, and correlative.
Coordinating conjunctions such as for, yet, or, but, and, nor, and so, can connect two or more nouns or noun phrases or two or more verbs or verb phrases.
Subordinating conjunctions, such as although, because, when, since, unless, even if, even although, and as long as, link two parts of a sentence. These parts do not have the same importance. Whiwh means that one clause is dependent and another one is independent.