Sequence of Tenses

Primary sequence, main verb (Indicative)

Primary sequence, main verb (Indicative)

Present, Future, Future Perfect

Primary sequence, incomplete action (subjunctive)

present

primary Sequence, completed Action (subjunctive)

perfect

Secondary sequence, main verb (Indicative)

imperfect, perfect, pluperfect

Secondary Sequence, incomplete action (subjunctive)

imperfect

Secondary Sequence, completed Action (subjunctive)

pluperfect