The verb "drink" is irregular. In the present tense, it is "drink," but in the past tense, it changes to "drank," and the past participle is "drunk." This pattern of not following the standard "-ed" ending for past forms distinguishes it as an irregular verb.
It is irregular.
Pentagons can be regular or irregular.
It is irregular.
A pentagon can be regular or irregular.
It is an irregular polygon.
yes
Smack is a regular verb. Drink and do are irregular.
It is irregular.
Pentagons can be regular or irregular.
regular or irregular
It is irregular.
A pentagon can be regular or irregular.
It is an irregular polygon.
Irregular
Irregular.
"Have" is an irregular verb in English.
It is a 12 sided shape that can be either regular or irregular