Subject/Predicate
Plural Nouns/Irregular Plural Nouns
Abbreviations/Contractions
Noun/Pronoun Agreement
Compound Words
Homophones
Past/present verbs
Subject/verb agreement
Verbs, Adjectives, Adverbs
Possessive Nouns
Capitalization
Commas
Complete sentences
Run on sentences
Interjections
Prepositional phrases
Transition words