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Online Quiz (Worksheet A B C D)

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Grammar, Punctuation, and Style
Principal Parts of Verbs


Verbs have three principle parts. They are present, past, and past participle. For regular verbs, the past tense is derived by adding ed to the present tense; the past participle is formed by using the past tense verb with a helping verb such as has, have and had.

PresentPastPast Participle
formformedhas/have/had formed
discoverdiscoveredhas/have/had discovered
looklookedhas/have/had looked

Directions: Identify the principal part of the underlined verb in each of the following sentences.

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