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(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,I'm 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。
