Put the verb into the correct form. 例： If I knew (I / know) his number, I would phone him. I wouldn't buy (I / not / buy) that coat if I were you. _________________  (I / help) you if I could, but I'm afraid I can't. This soup isn't very nice.   _______________(it / taste) better if it wasn't so salty. We live in a city and don't need a car, but we would need one if__________ (we / live) in the country. If we had the choice,  _______________(we / live) in the country. I'd make a lot of changes if  _________________ (I / be) the manager of the company. I wouldn't call someone in the middle of the night if  __________________(it / not / be) important. If I were you, ____________________ (I / not / wait).   __________________(I / go) now. You're always tired because you go to bed so late.  If ___________________ (you / not / go)  to bed so late every night,  _________________(you / not / be) tired all the time. I think there are too many cars.  If ______________ (there / not / be) so many cars, _____________ (there / not / be) so much pollution. We all need jobs and money, but what __________ (you / do) if ______________ (you / not / have) to work?