THE SEQUENCE OF TENSES IN THE INDICATIVE MOOD
Main Clause Subordinate Clause
RULE I PRESENT
PRESENT PERFECT ANY TENSE
IMPERATIVE
they have been here (up to now/
lately).
they were here yesterday.
they had called before they left.
they will be here tomorrow.
RULE II PAST PAST PERFECT
(previous action)
they had been there.
e.g. We knew that PAST (simultaneous action)
they were there
FUTURE-IN-THE–PAST
(subsequent action)
they would be there.
meaning
PRESENT (simultaneous action)
we go out.
when
e.g. We’ll call on you if
PRESENT PERFECT
(previous action)
we have found out the results.
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