将下列句子改写成if条件句.

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 l am away from school。3。l'm looking up the word in the dic-tionary to know its meaning。   l will look up the word in the dic-tionary if l want to know its meaning。4。l often go shopping when l get to hong kong 。   l will go shopping if l get to hong kong 。5。After getting to changsha,Mr white tries some snacks   if he gets to changsha, Mr white will try some snacks。
再问： 是if从句，为什么有些开头就不是if呢？
再答： 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 kong l will go shopping