A conjunction is a word used to connect words, phrases or clauses.
The words and, but, and or are the conjunctions which spring to mind when people think about conjunctions. However, these are just three very common conjunctions from one of the types of conjunction.
The Types of ConjunctionThere are three types of conjunction:
Coordinate ConjunctionsCoordinate conjunctions are normally used to join like with like. (In other words they join a noun with another noun, an adjective with another adjective, and an adverb with another adverb, etc.)
The most common ones are and, but and or.
Examples of Coordinate ConjunctionsHere are some examples of coordinate conjunctions (shaded):
Correlative ConjunctionsCorrelative conjunctions are used in pairs to join alternatives or equal elements. The most common pairs are either/or, neither/nor, and not only/but also.
Examples of Correlative ConjunctionsHere are some examples of correlative conjunctions (shaded):
Subordinate ConjunctionsSubordinate conjunctions are used to join subordinate clauses to main clauses. Common examples are although, because, since, unless, until, and while.
Examples of Subordinate ConjunctionsHere are some examples of subordinate conjunctions (shaded):
What are coordinate conjunctions?
What are correlative conjunctions?
What are subordinate conjunctions?
What are phrases?
What are clauses?
What is an independent clause?
Commas before conjunctions
What is the Oxford Comma convention?
More on conjunctions
Test on conjunctions
Glossary of grammatical terms
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There is often confusion over whether to use a comma before a coordinate conjunction (e.g., and, but). When a coordinate conjunction ends a list of three or more things, it all depends on whether you're following the Oxford Comma convention. For example: