WO= Word Order. (The car blue.)

WW= Wrong Word. (That girl is very handsome.)

S= Spelling error. (She is very biutiful.)

G= Grammar error. (I go to school yesterday.)

Prep= Preposition. (The milk is on the refrigerator.)

P= Punctuation. (charles and anne are tall_young and smart Students_)

V= Vocabulary. (The school is nice, the students are nice and the

                         weather is nice.)

C= Concordance. (She am a student and he are a teacher.)

Homework, Portfolio and Essay corrections are very important to develop your writing ability.

If you have any doubts on how to correct your text, please write your question in a brief manner.