1. If I ___gave up___ (give up) smoking, I would save $5000 a year.
2. If I __can____(can) get back to London in time, I'll definitely come.
3. If you buy one t-shirt, you ____will buy____ (buy) the second one free.
4. If I run into her, I ___will tell_____(tell) her that you're looking for her.
5. If you were her, what __would you do_____ (to do)?