SN4 ""

No	Pattern	Freq
1	[conj] he might have been	38
2	[verb] he might have been	21
3	[subord] he might have been	18
4	[noun] he might have been	16
5	that he might have been	15
6	[that] he might have been	15
7	that he might have been	15
8	[noun sg] he might have been	14
9	[adv] he might have been	13
10	[vb past] he might have been	11
11	think he might have been	10
12	[adv] he might have been	8
13	if he might have been	6
14	if he might have been	6
15	thought he might have been	6
16	[pron] he might have been	5
17	[coord] he might have been	5
18	[Wh adv] he might have been	5
19	he [verb] might have been	5
20	he [vb past] might have been	5
21	he might [adv] have been	34
22	he might [adv] have been	28
23	he might [not/n't] have been	6
24	he might not have been	6
25	he might not have been	6
26	he might have been [verb]	87
27	he might have been [v-ing]	45
28	he might have been [vb pp]	42
29	he might have been [adj]	31
30	he might have been [adj]	27