SN4 ""

No	Pattern	Freq
1	[pron] might have been	1298
2	[pers pn] might have been	958
3	[noun] might have been	753
4	[noun sg] might have been	444
5	it might have been	437
6	it might have been	437
7	[noun pl] might have been	204
8	[conj] might have been	195
9	[Wh det] might have been	190
10	he might have been	186
11	he might have been	186
12	they might have been	120
13	they might have been	113
14	what might have been	109
15	what might have been	109
16	[adj] might have been	105
17	[noun prp] might have been	95
18	that might have been	94
19	[that] might have been	94
20	that might have been	94
21	there might have been	92
22	there might have been	92
23	[ex0] might have been	92
24	she might have been	91
25	she might have been	91
26	which might have been	79
27	which might have been	79
28	[det] might have been	78
29	[subord] might have been	73
30	i might have been	62