Coordinating Conjuctions

1.USE A PARALLEL STRUCTURE

One use a conjuctions is to connect words or phrases that have the same grammatical function in a sentence. This use of conjuctions is called “Parallel Structure”. The Conjunctions used in this pattern are and, but, or, nor.
Example :

- Steve and his friend are coming to dinner (noun+and+noun)

2. USE A PAIRED CONJUCTIONS: BOTH, AND, NOT ONLY, BUT ALSO, EITHER, OR, NEITHER, NOR
Example :

- Both my mother and my sister are here

3.USE A COMBINING INDEPENDENT CLAUSES WITH COORDINATING CONJUCTIONS

A comma almost always precedes so, for, and yet when they are used as coordinating conjuctions
Example :

- She did not study, yet she passed the exam