Regular and Irregular Verbs

Regular

Regular verbs do not change into substantially different words as they move from singular to plural or past to present. Most verbs are regular, for example: walks/walk/walked, lifts/lift/lifted or hears/hear/heard.

Irregular

Irregular verbs change into substantially different words as they move from singular to plural or past to present; for example: am/are, has/have and does/do.

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