I will be healthy.
If I eat healthy food,
If I eat vegetables,
etc.
If I won a million dollars,
I would travel the world,
I would buy a castle,
etc.
If you had studied more.
If you had paid attention in class.
etc.
you will get strong.
If you exercise,
If you workout,
etc.
If I became the teacher,
I would give less homework.
I would be more strict.
etc.
We would have won the match,
if we had practiced more.
etc.
he will make friends.
If he talks more,
If he meets new people,
etc.
If I was the prime minister of Japan,
I would lower taxes.
I would make new holidays.
etc.
I would have bought the TV,
if it wasn't so expensive.
if it was newer.
we will spread the virus.
If we don't wash your hands,
If we don't wear masks,
etc.
If I was a superhero,
I would catch criminals,
I would protect the Earth,
etc.
I would have eaten ice cream
If it was chocolate,
If it was dairy free,
etc.
they will improve our English.
If they speak more,
If they use English more,
etc.
If I was the King/Queen of the world,
I would end all wars.
I would end world hunger.
etc.
I would have done the homework,
If it was easier,
If I had more time,
If my dog hadn't eaten it,
etc.