1. If she works (work) hard, she will pass(pass) the exam.
2. If I come (come) soon, I will phone(phone) you.
3. She will feel (feel) sad if you don't give (not, give) her a gift.
4. If Peter goes (go) to work late again, he will be (be) sacked.
5. No one will know (know) the truth if you don't reveal (not, reveal)