1.if it (rain), i wouldn`t go out. 2. you would learn more if you (study) sometimes. 3. if he (ask) me, i would have told him the answer. 4. she'll catch cold if her feet (get) wet in this weather. 5. if an egg (cost) twopence, how many would you buy for a pound? 6. david (stay) the night there if he`d miss the last train. 7. if jack (need) help, will you go to his assistance? 8.if mark (need)help, i would gladly give it. 10. if we (have) nothing to do, life would be boring.. 11. if you (smoke) less, you would feel better. 12 she`d buy this dress if she( like)it.