Regular Verbs
Irregular Verbs
Action Verbs
Auxiliary Verbs
Transitive Verbs
Linking Verbs
Intransitive Verbs
Help the main verb express tense or mood
Express physical or mental actions
Connect the subject to a subject complement
Change form in the past tense unpredictably
Require a direct object to complete meaning
Form past tense by adding -ed
Do not require a direct object