It is irregular.
Pentagons can be regular or irregular.
It is irregular.
A pentagon can be regular or irregular.
It is an irregular polygon.
No, teach is an irregular verb.You can tell if a verb is regular or irregular by looking at the past tense form. If the past tense is formed by adding -ed to the verb then it is regular. If not then it is irregular. (The past tense of teach is taught and NOT teached).
Play is a regular verb.You can tell by looking at the past tense forms. If the past tense ends in -ed then the verb is regular. (The past tense of play is played).
Regular verbs are verbs that don't change when in past tense. Ex: skip/skipped. Irregular verbs DO change when in past tense. For example: I TEACH you this year, but I TAUGHT you last year. Teach and taught are two different words.
It is irregular.
regular or irregular
Pentagons can be 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.