Expl

Try not to use expletives:
it is, there are,these are.

CV

Avoid writing unnessary weak, sprawling, imprecise verbs. ( Verbs used as a crutch ): is, are, am, was, were.

Ex: I have to study.
I must study.

PV

Avoid writing in passive instead of active voice.

NO: The ball was hit by Joe.
YES: Joe hit the ball.

REF

A pronoun that fails to refer accurately to itsantecendent.

Ex: Take the cover off the swing and paint it red.
( What should be painted? The cover or the swing? )

MM/Dang. Mod.

A sentence that fails to convey sense in reading because a participial phrase or other construction does not clearly modify the correct word.

Ex: As a mother of five, my ironing board is always up.
(The iron board is a mother of five?)

ProAnt AGR

A prounoun does not agree in number with its antecedent.

Ex: Everyone should bring their book to class.

SV AGR

The subject does not agree in number with its verb.

Ex: The main problem of most homemakers are all their trips to transport children here, there, and yonder.

RUN

Two independent clauses joined by a coordinating conjuction, without a comma.

Ex: Bob went to the store [and] he met Joe.

FUS

Two independent clauses are joined with a mere comma when they need a semicolon or a conjuction + comma.

CS

Two independent clauses are joined with a mere comma when hey need a semicolon or a conjuntion + comma.

Ex: I studied diligently for the test [,] however, I failed.

Frag

The main clause lacks a subject or verb so that the sentence reamins incomplete.

Ex: My sister, who works in the hospital.