Here are some of the abbreviations that I commonly use when grading student work:

#--add a space

 

VPR--vague pronoun reference

 

VT--signals an inappropriate shift in verb tense

 

CS--comma splice

 

SP--spelling error

 

AWK--awkward word choice or phrase

 

WC--questionable word choice; word may not be appropriate in the given context

 

AGR--lack of subject/verb agreement; lack of pronoun/antecedent agreement

 

SS--sentence structure needs work

 

DM--dangling modifier

 

MM--misplaced modifier

 

ll'ism--lack of parallel structure

 

P--punctuation error

 

Dic--faulty or inappropriate diction

 

Trans--transition missing