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