Using Verbs Correctly IGrammar

Principal Parts of Verbs:• the base form, the present

participle, the past, and the past participle.

Regular Verb:• forms its past and past

participle by adding –d or –ed to the base form

Irregular Verb:• forms its past and past participle

in some way other than by adding –d or –ed to the base form. Irregular verbs form their past and past participle in various ways:

– By changing vowels– By changing consonants– By changing vowels and consonants– By making no changes

Tense:• The tense of a verb indicates

the time of the action or of the state of being that is expressed by that verb.

Past Perfect:• existing or happening before

a specific tie in the past.

Past• existing or happening in the

past.

Present Perfect:• existing or happening

sometime before now; may be continuing now

Present:• existing or happening now

Future Perfect:• existing or happening before

a specific time in the future.

Future:• Existing or happening in the

future

Consistency of Tense:• Do not change needlessly from

one tense

Active and Passive Voice:

– Active voice—expresses an action done by its subject.

• Passive voice: expresses an action done to its subject. In passive voice, the verb phrase always includes a form of be and the past participle of the main verb. Other helping verbs may also be included.