a lot of可用来说可数（weight可不可数countable）或不可数（uncountable）名词，而动词应用单数或复数形式，则看那名词而定。
  a lot of 后加什么
  a lot of+不可数名词：
  a lot of fun 很多乐趣
  a lot of snow 很多雪
  a lot of work很多工作
  a lot of+可数名词复数形式：
  a lot of shoes 很多双鞋
  a lot of papers很多张纸
  a lot of 例句
  I am spending a lot of money and time on this boat, but it is worth it
  我在这艘船上花了很多金钱和时间，但都很值得。
  I have lost a lot of weight
  我体重减了不少。
  Is there a lot of effort and money going into this sort of research?
  这种研究目前是否有大量的人力和资金投入？
  I think a lot of people still underestimate him
  我觉得很多人仍然低估了他。
  You've caused us a lot of trouble
  你给我们造成了很多麻烦。
  A lot of this has to do with power and greed.
  凡此种种都和权力与贪欲有关。
  He lost a lot of money in gambling.
  他赌博输了很多钱。
  Have you been on a diet? You've lost a lot of weight
  你最近在节食吗？你瘦了好多。