CONDITIONAL CLAUSES
CONDITIONAL O
General
statements and facts
General
statements, actions that are certainly happening and facts
If I have a
problem, she always helps me.
If there is
a problem, I can always talk to Carol.
PRESENT TENSE ------ PRESENT TENSE
CONDITIONAL I
It's
possible that . . . (talking about the future) –
If he
comes, I will be happy.
If he
studies, he will pass the exam.
PRESENT TENSE ------ WILL FUTURE
CONDITIONAL II
It's
possible but not very probable . . . (talking about a future situation) -
It's not
probable
If he came,
I would be happy.
If he
studied, he would pass the exam.
PAST TENSE ------ CONDITIONAL PRESENT (would +
base form)
CONDITIONAL III
It didn't
happen and it is impossible now . . . (talking about a past situation) - It's
impossible
If he had
come, I would have been happy.
If he had
learned, he would have passed the exam.
PAST PERFECT ------ CONDITIONAL PERFECT (would
+ have + 3rd form)
.