SN4 ""

No	Pattern	Freq
1	[pron] might have been [art] [noun]	122
2	[pers pn] might have been [art] [noun]	74
3	[noun] might have been [art] [noun]	43
4	it might have been [art] [noun]	43
5	it might have been [art] [noun]	43
6	[noun sg] might have been [art] [noun]	33
7	[Wh det] might have been [art] [noun]	22
8	there might have been [art] [noun]	21
9	[ex0] might have been [art] [noun]	21
10	there might have been [art] [noun]	21
11	what might have been [art] [noun]	17
12	what might have been [art] [noun]	17
13	he might have been [art] [noun]	16
14	he might have been [art] [noun]	16
15	[conj] might have been [art] [noun]	14
16	[adj] might have been [art] [noun]	11
17	[det] might have been [art] [noun]	10
18	that might have been [art] [noun]	9
19	[that] might have been [art] [noun]	9
20	she might have been [art] [noun]	9
21	she might have been [art] [noun]	9
22	that might have been [art] [noun]	9
23	[noun pl] might have been [art] [noun]	6
24	this might have been [art] [noun]	6
25	this might have been [art] [noun]	6
26	[adv] might have been [art] [noun]	5
27	which might have been [art] [noun]	5
28	which might have been [art] [noun]	5
29	[adv] might have been [art] [noun]	5
30	might [adv] have been [art] [noun]	38