SN4 ""

No	Pattern	Freq
1	[modal v] have been some [noun]	72
2	[vb mod] have been some [noun]	72
3	must have been some [noun]	33
4	must have been some [noun]	33
5	might have been some [noun]	12
6	might have been some [noun]	12
7	would have been some [noun]	12
8	[adv] have been some [noun]	10
9	would have been some [noun]	9
10	[adv] have been some [noun]	9
11	may have been some [noun]	9
12	may have been some [noun]	9
13	could have been some [noun]	5
14	could have been some [noun]	5
15	have been [prep] some [noun]	15
16	have been [prep] some [noun]	15
17	have been in some [noun]	5
18	have been in some [noun]	5
19	have been some [adj] [noun]	22
20	have been some [adj] [noun]	20
21	have been some [noun] [prep]	46
22	have been some [noun] [prep]	46
23	have been some [noun] of	23
24	have been some [noun] of	23
25	have been some [noun] in	9
26	have been some [noun] in	9
27	have been some [noun] [adv]	5
28	have been some [noun] [verb]	5