1. When our eyes met, I was on cloud nine.
2. When our eyes met, I was very happy.
(Do you use Sentence 1 frequently?)================
3. It snowed a lot yesterday.
4. It snowed much yesterday.
(Can we use both expressions?
Which one is commonly used?)
1 means 2, and yes, both are used. =)
3 is commonly used. I've never heard anyone use 4.