Options
What will you do if you win the lottery?
ex. I will buy a house
You/pass/your exam/if/you/study/harder
You will pass your exam if you study harder
What will you do if it rains tomorrow?
ex. I will bring my umbrella
They/forgive/you/if/you/say/you/be/sorry
They will forgive you if you say you are sorry
What will do if you find a wallet on the street?
ex. I will give it to the police
If/you/not quit/smoking/you/get/sick
If you don't quit smoking, you will get sick
What will you do if you have a headache?
ex. I will drink water
If/you/not set/your/alarm clock/, you/not wake up/ on time
If you don't set your alarm clock, you will not(won't) wake up on time