Tense

Present Simple              Past Simple              Future Simple

S.+V.1                                 S.+V.2                            S.+will+V.1

Present Continued      Past continued      Future Continued

S.+V.be+ing                      S.+V.be2+ing            S.+will+V.1+ing

Present Perfect              Past Perfect               Future Perfect

S.+have,has+V.1               S.+had+V.2             S.+will have+V.1