Zero conditional
If you heat ice, it ______.
melts
If it rains, I ______ stay at home.
will
If I were rich, I ______ buy a big house.
would
If I had studied, I ______ passed the exam.
would have
If we ______ the instructions more carefully, we wouldn’t have made that mistake.
had read
If you sit in the sun for too long, you get __.
sunburnt
If she studies tonight, she ______ the test.
will pass
If she ______ more time, she would travel more.
had
If they had left earlier, they ______ caught the train.
would have/might have
If you ______ late again, the teacher won’t let you in.
are
If you don’t eat, you ______ hungry.
feel/get
If we don’t hurry, we ______ late.
will be
If we lived closer, we ______ see each other more often.
would/could
If she hadn’t been sick, she ______ gone to school.
would have
If I ______ more confident, I would speak in public.
were
If people exercise regularly, they usually ______ healthier.
feel/are
If they finish early, they ______ go out for dinner.
If he ______ Spanish better, he could get the job.
spoke
If we had known about the problem, we ______ done something.
could have/would have
If they had taken a taxi instead of walking, they ______ late.
could have been/might have been
If metal ______, it expands.
gets hot/is heated
If you ______ him now, he won’t answer.
call
If I ______ you, I would apologize.
were
If he ______ his phone, he wouldn’t have gotten lost.
had brought
If he ______ his passport, he would have been able to board the plane.
hadn't forgotten/hadn't brought