20 If you (see) someone drowning what would you do? 21 I (be) ruined if I bought her everything she asked for. 22 If you slept under a mosquito net you (not be) bitten so often. 23 I could get a job easily if I (have) a degree. 24 If she (do) her hair differently she might look quite nice. 25 If we had more rain our crops (grow) faster. 26 The whole machine would fall to pieces if you (remove) that screw 27 I (keep) a horse if I could afford it. ' 28 I'd go and see him more often if he (live) on a bus route. 29 If they (ban) the sale of alcohol at football matches there might be less violence. 30 I (offer) to help if I thought I'd be any use. ' 31 What would you do if the lift (get) stuck between two floors? 32 If you (paint) the walls white the room would be much brighter. 33 If you (change) your job would it affect your pension? 34 If you knew you had only six weeks to live how you (spend) those six weeks? 35 You wouldn't have so much trouble with your car if you (have) it serviced regularly. 36 I'd climb over the wall if there (not be) so much broken glass on it.