How many conjunctions are there?

English has seven coordinating conjunctions—for, and, nor, but, or, yet, so—which you can remember using the acronym FANBOYS. 

F - For

A - And

N - Nor

B - But

O - Or

Y - Yet

S - So

Conjunction Examples:

For: He stayed inside, for it was raining heavily.

And: He likes reading, and he enjoys writing.

But: I want