SN4 ""

No	Pattern	Freq
1	[modal v] have been [prep] [adj] [noun]	121
2	[vb mod] have been [prep] [adj] [noun]	121
3	[modal v] have been [prep] [adj] [noun sg]	99
4	[modal v] have been [prep] [adj] [noun]	60
5	[modal v] have been in [adj] [noun]	58
6	[modal v] have been in [adj] [noun]	58
7	[modal v] have been [prep] [det] [noun]	53
8	would have been [prep] [adj] [noun]	32
9	would have been [prep] [adj] [noun]	31
10	must have been [prep] [adj] [noun]	28
11	must have been [prep] [adj] [noun]	28
12	[modal v] have been of [adj] [noun]	22
13	[modal v] have been of [adj] [noun]	22
14	[modal v] have been [prep] [adj] [noun pl]	21
15	may have been [prep] [adj] [noun]	21
16	may have been [prep] [adj] [noun]	21
17	could have been [prep] [adj] [noun]	19
18	could have been [prep] [adj] [noun]	19
19	[modal v] have been [prep] this [noun]	16
20	[modal v] have been [prep] this [noun]	16
21	[modal v] have been at [adj] [noun]	13
22	[modal v] have been at [adj] [noun]	13
23	might have been [prep] [adj] [noun]	12
24	might have been [prep] [adj] [noun]	12
25	[modal v] have been [prep] that [noun]	11
26	[modal v] have been [prep] some [noun]	11
27	[modal v] have been [prep] that [noun]	11
28	[modal v] have been [prep] some [noun]	11
29	[modal v] have been [prep] [adj] trouble	10
30	[modal v] have been [prep] [adj] trouble	10