Ответ: 1. … you have to do exercises and eat healthy food.2…. if you feel ill.3. …you should take care of yourself and use nasal drops.4. …if you don’t get cold.5… he diagnoses a disease.6. …there is no other option left.7. …she doesn’t start taking pills.8. … if you keep eating icecream and drinking cold fizzy drinks.9. … if she doesn’t pass the exams.10. … it will get only worse.11. …you will be coughing and perhaps you will have a headacheex. 21. had put on, would not have catched a cold …and had2. you had brushed your teeth every day.3. had not been, would not fall ill4. you did everything what doctor tells you to do.5. you would be ok by now.6. fulfilled, would not have been operated.7. you would not have any problems with it now. 8. reccomend you to stay in bed for a few days. (???)9. I would have played football with my team.10.  you had gone to bed earlier.11. you would have found the problem earlier.12. she will not fall ill with them never again.