Present Tense Present Simple (S. + V.1) Present Continuous (S. + is/am/are + V.ing) Present Perfect (S. + has/have + V.3) Present Perfect Continuous (S. + has/have been + V.ing) Past Tense Past Simple (S. + V.2) Past Continuous (S. + was/were + V.ing) Past Perfect (S. + had + V.