SN4 ""

No	Pattern	Freq
1	[vb mod] have been [adj] [prep]	1082
2	[vb mod] have been [adj] [prep]	1075
3	would have been [adj] [prep]	493
4	[vb mod] have been [adj] for	241
5	[vb mod] have been [adj] for	241
6	[vb mod] have been [adj] to	227
7	[vb mod] have been [adj] to	227
8	[vb mod] have been [adj] in	181
9	[vb mod] have been [adj] in	181
10	may have been [adj] [prep]	178
11	must have been [adj] [prep]	169
12	[vb mod] have been [adj] of	129
13	[vb mod] have been [adj] of	129
14	might have been [adj] [prep]	88
15	[vb mod] have been [adj] with	75
16	[vb mod] have been [adj] with	75
17	[vb mod] have been [adj] by	67
18	[vb mod] have been [adj] by	67
19	should have been [adj] [prep]	57
20	could have been [adj] [prep]	49
21	[vb mod] have been due [prep]	41
22	[vb mod] have been responsible [prep]	39
23	[vb mod] have been impossible [prep]	38
24	[vb mod] have been [adj] at	38
25	[vb mod] have been [adj] at	38
26	[vb mod] have been proud [prep]	34
27	[vb mod] have been involved [prep]	29
28	[vb mod] have been aware [prep]	26
29	[vb mod] have been [adj] on	26
30	[vb mod] have been [adj] on	26