These are words that join words, phrases and clauses to other words, phrases and clauses.

Coordinating conjunctions

Correlative conjunctions

    Correlative conjunctions are used in pairs to join equal elements of sentences. Examples are both/and, either/or, whether/or, neither/nor and not only/but also.
    Either John or Emily will represent their class.
    We are not only interested in buying the business but also have requested the financial details

    This is where a word, phrase or clause is connected to its equivalent.
    Parallel example: She enjoys swimming and walking.
    Not Parallel example: She enjoys to walk and swimming.

Subordinating conjunctions

    These are words that join dependent clauses to independent clauses.
    Dependent clauses answer questions: what? when? where? on what terms? and why?
    Here are some common subordinating conjunctions:
    after, although, as, as if, as soon as, as though, because, before, if, for, more than, provided, since, so that, than, that, though, unless, until, when, whenever, where, wherever, while and why.
    They wondered what all the fuss was about.
    As soon as Jim arrives, we will leave.