A conjunction is a word that is used to join words, phrases, and both independent and dependent clauses in a sentence. We make use of a conjunction to write a longer sentence or complex sentence. A complex sentence is one that contains an independent clause and at least one subordinate clause. A conjunction can be a word (although, and, because, butif, or, while) or a phrase (as thoughas well asin order thatso that). There are three groups of conjunctions.

Coordinating conjunctions join words, phrases, and clauses.
Subordinating conjunctions join only clauses.

Correlative conjunctions are paired conjunctions.

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