Verb Study Guide - Westerville City School District

Perfect tense is expressed with . certain helping verbs. Present Perfect Tense: The present perfect tense states an . an action that is still going on. Add . has. or . have. before the past . tense or past participle of the main verb. Bob has swum for two hours so far. Past Perfect Tense: The past perfect tense states an action . that began and ... ................
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