Hello!
*****
1. Careful! It will break if you drop it.
2. If you ask me nicely, I'll tell you a secret.
3. Unless he's very late, I will not say anything.
4. What will we do if there isn't a train to London?
5. If he has any problems, he'll phone you.
6. We'll come at seven if we don't hear from you.
7. If you win some money, will you take me out for the evening?
8. You will not get a pay rise unless you ask.