4. if clause main clause
If you heat
water to 100
degrees,
it boils.
main clause if clause
Water boils
if you heat
it to 100
5. if clause main clause
If a man
looks at
her,
she always
blushes.
if clause main clause
She always
blushes
if a man
looks at her.
6. WILL + IF CLAUSE
if clause main clause
Present
simple,
will +
infinitive.
1st conditional
real / possible
7. if clause main clause
If the phone
rings,
I will answer
it.
if clause main clause
If the
weather is
sunny,
we will go to
the beach.
8. 2nd conditional
WOULD / COULD + IF CLAUSE
if clause main clause
Past simple,
would/can +
infinitive.
unreal
9. if clause main clause
If I were
rich,
I would travel
around the
world.
if clause main clause
If I
studied
I would pass
my English
exam.
10. 3rd conditional
WOULD / COULD HAVE + IF CLAUSE
if clause main clause
Past Perfect,
would/can
+have + past
participle.
Impossible actions in the past
11. if clause main clause
If you
hadn’t been
so lazy,
You would have
been on time for
breakfast.
if clause main clause
If he had
come
earlier,
He might have
been able to
help us.