| A | B |
| Plural Possessive with -s | More than one that owns something - has an -s at the end(dogs' bones) |
| Singular Possessive | one that owns something (dog's bone) |
| Plural Possessive without -s | more than one that owns something but has no s at the end (deer's antler) |
| Subject Verb Agreement | making the subject agree in number with the verb |
| Run on (fused sentence) | a sentence which continues to the next without appropriate punctuation |
| Fragment | not a full sentence |
| Subject Pronoun | a pronoun that is the "doer" of the sentnece (he, she, it" |
| Object Pronoun | a pronoun that is the "receiver" of a sentence (him, her, them) |
| Past Tense | has already happened (usually with -ed) |
| Present Tense | is happening now (usually with -s or -ing) |
| Comma Splice | Two complete sentences incorrectly joined with only a comma |
| No possession | The explanation for a word (usually a plural like dogs') which shows no ownership but incorrectly has an apostrophe. |