Przykład: I (not live) with my parents if I (not have to) I wouldn't live with my parents if I didn't have to.
1) Nick (not have to commute) every day if he(work) from home. 2) If they (not have) such a noisy dog, they(got on) better with their neighbours. 3) I(not buy) that bike if I(be)you-it is too expensive. 4) We(sell)our house if somebody(offer)us enough money. 5) If my mother-in-law(live)with us, we(get)divorced. 6) You(share) a flat with me if I (pay) half the rent? 7) If my sister(tidy)her room more often, it (not be) such a mess. 8) You (not reat) me like this if you really(love) me. 9) If we(paint) the kitchen white, it(look) bigger. 10) You (think)about camping if you(not can afford) to stay in a hotel?