Sentence Structure

The subject is the part of a sentence that tells who or what the sentence is about.

The subject is 'The dog.'

A verb is a word that describes an action, occurrence, or state of being.

The verb is 'runs.'

Verb tense indicates the time when an action takes place: past, present, or future.

The present tense describes actions that are currently happening or are habitual.

The past tense describes actions that have already happened.

The future tense describes actions that will happen later.

Perfect verb tenses indicate actions that are completed relative to another time.

The present perfect tense describes actions that happened at an unspecified time before now.