I will take my umbrella if it will rain tomorrow
Incorrect! I will take my umbrella if it RAINS tomorrow
What/you/do/you/win/the lottery
What will you do if you win the lottery?
If we go out tonight, we will lock the door
Correct!
What/you/do/it/rain/tomorrow
What will you do if it rains tomorrow?
I make a sandwich if I be hungry
Incorrect! I WILL make a sandwich If I AM hungry
What/you/do/you/find/a wallet
What will you do if you find a wallet?
If Robert goes to bed late, he sleeps in late
Incorrect! If Robert goes to bed late, he will sleep in.
What/you/do/you/have/a headache
What will you do if you have a headache?
If Juan stay until the end of the party, he will gets home very late
Incorrect! If Juan STAYS until the end of the party, he will GET home very late
What/you/do/you/not pass/the exam
What will you do if you don't pass the exam?