The man wants to get enough money to buy a car.if he gets enough money, the man will buy a car.2.My mother is angry beczuse l am away from school.   My mother will be angry if...是if从句，为什么有些开头就不是if呢？if从句可以放在主句之后，也可以放在主句之前。如上述句子： l will go shopping if l get to hong kong =if l get to hong kongl will go shopping