SN4 ""

No	Pattern	Freq
1	might have [been] [adv]	251
2	might have been [adv]	251
3	might have [been] [adv]	249
4	might have [been] more	58
5	might have [been] better	13
6	might have [been] very	12
7	might have [been] even	11
8	might have [been] too	10
9	might have [been] less	10
10	might have [been] just	8
11	might have [been] there	8
12	might have [been] much	7
13	might have [been] all	6
14	might have [been] as	6
15	might have [been] quite	5
16	might have [been] here	5