1)a bit, a little, rather, much, far, by far, many, a lot, lots, a great deal, any, still, even 等
2)还可以用表示倍数的词或度量名词作修饰语。
3)以上词汇或词组(除by far外)必须置于比较级形容词或副词的前面。
典型例题：
1)---- Are you feeling ____?
---- Yes, Im fine now.
A. any well B. any better C. quite good D. quite better
答案：B。any 可修饰比较级，quite 修饰原级，well 的比较级为 better。
2)The experiment was____ easier than we had expected.
A. more B. much more C. much D. more much
答案：C。much 可修饰比较级，因此B、C都说得通，但 easier 本身已是比较级，不需 more，因此C为正确答案。
3)If there were no examinations, we should have ___ at school.
A. the happiest time B. a more happier time
C. much happiest time D. a much happier time
答案：D