| A | B |
| Sentence | A group of words that expresses a complete thought |
| Subject | Is the part about which is something is said |
| Simple Subject | The main word(s) in the subject |
| Predicate | The part that says something about the subject |
| Simple Predicate | The verb(s) in the predicate |
| Compound Subject | contains two or more subjects |
| Compund Predicate | Contains two or more verbs |