SN4 ""

No	Pattern	Freq
1	[pron] might have [be] [conj]	26
2	[pers pn] might have [be] [conj]	17
3	it might have [be] [conj]	13
4	it might have [be] [conj]	13
5	[noun] might have [be] [conj]	12
6	what might have [be] [conj]	7
7	[noun sg] might have [be] [conj]	7
8	[Wh det] might have [be] [conj]	7
9	what might have [be] [conj]	7
10	[adj] might have [be] [conj]	5
11	[det] might have [be] [conj]	5
12	might have [be] [verb] [conj]	69
13	might have [be] [vb pp] [conj]	66
14	might have [be] [adj] [conj]	59
15	might have [be] [adj] [conj]	40
16	might have [be] [adj -er] [conj]	14
17	might have [be] [noun] [conj]	12
18	might have [be] [adv] [conj]	10
19	might have [be] different [conj]	9
20	might have [be] expected [conj]	9
21	might have [be] different [conj]	9
22	might have [be] expect [conj]	9
23	might have [be] [adv] [conj]	8
24	might have [be] thought [conj]	6
25	might have [be] think [conj]	6
26	might have [be] [noun sg] [conj]	5
27	might have [be] [num] [conj]	5
28	might have [be] [conj] [pron]	22
29	might have [be] [conj] [pers pn]	17
30	might have [be] [conj] [art]	6