form its past and past participle form by adding – ed or – d to the present
form. Irregular verbs have special past
forming the past tense of irregular verbs:
The past form is
used alone without a helping verb.
participle must be used with a helping verb.
used with the past participle are forms of be or have.
of some common irregular verbs:
cowboys have (done, driven) cattle along the plains.
Have you ever
(run, ran) in a marathon?
That fish has
(stole, stolen) my bait again.
All of the juice
has been (drank, drunk).
Has he (did,
done) what he promised?