A Verb conveys information about what is happening, what has happened, and what will happen.
action verbs: eat,
wrestle, argue, . . .
occurrence verbs: become, change, happen, . . .
state of being verbs: be, seem, feel, exist, . . .
simple form or infinitive
shows action, occurrence, or state of being that is taking place in the present, and is the basis for future tense.
indicates action, occurrence, or state of being completed in the past.
in regular verbs, uses the same form as the past tense
in irregular verbs, uses differing forms and is used with an auxiliary / helper verb. (e.g., They were startled.)
is formed by adding -ing to the simple form - is used with an auxiliary / helper verb. (The sun was setting.)
- s form
is used when the verb's action occurs in the present and the subject is third-person singular. (The dog begs. Harry
lives in town.)
Helping Verbs, also called auxiliary verbs, combine with a verb's infinitive, present participle, or past participle to indicate time and other kinds of meaning. (can run, was sleeping, had been eaten, . . .)
Regular and Irregular Verbs
Regular verbs form their past tense and past participle by adding -d or -ed to the infinitive. (live - lived, act - acted, . . .)
Irregular verbs form
their past tense and past participle in some irregular way. Most irregular
verbs form the past tense
and the past participle by changing an internal vowel. (begin - began - begun, come - came - come, . . .)
Some irregular verbs change an internal vowel and add an -n in the
past participle. (break - broke - broken, draw -
drew - drawn, . . .)
Some irregular verbs have the same form in both the past tense and the
past participle or in all three forms. (Sleep -
slept - slept, let - let - let, . . .)