SN4 ""

No	Pattern	Freq
1	[conj] [adj] might have been [verb]	7
2	[prep] [adj] might have been [verb]	5
3	[prep] [adj] might have been [verb]	5
4	[adj] [noun] might have been [verb]	103
5	[adj] [noun sg] might have been [verb]	58
6	[adj] [noun pl] might have been [verb]	43
7	[adj] [subord] might have been [verb]	25
8	[adj] [conj] might have been [verb]	25
9	[adj] than might have been [verb]	17
10	[adj] than might have been [verb]	17
11	[adj] [pron] might have been [verb]	12
12	[adj] as might have been [verb]	8
13	[adj] as might have been [verb]	8
14	[adj] [pers pn] might have been [verb]	7
15	[adj] [Wh det] might have been [verb]	5
16	[adj] which might have been [verb]	5
17	[adj] which might have been [verb]	5
18	[adj] might [adv] have been [verb]	7
19	[adj] might [adv] have been [verb]	6
20	[adj] might have been [adj] [verb]	5
21	[adj] might have been [verb] [prep]	15
22	[adj] might have been [verb] [prep]	15
23	[adj] might have been [verb] [adv]	5