VESUVIUS Stage 12
VESUVIUS Stage 12. Grammar: Imperfect & perfect tense - 1 st & 2 nd person singular & plural. Present tense (am, is, are, do, does). Imperfect tense (was, were, used to). Perfect tense (has, have, did, - ed ). Review Present Tense Verbs of Being. Review Imperfect Tense Verbs of Being.
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