SN4 ""

No	Pattern	Freq
1	[vb mod] have been [adj] [prep]	1289
2	[vb mod] have been [adj] [prep]	1278
3	[vb mod] have been [adj] [prep]	1082
4	would have been [adj] [prep]	568
5	[vb mod] have been [adj] for	273
6	[vb mod] have been [adj] for	273
7	[vb mod] have been [adj] of	250
8	[vb mod] have been [adj] of	250
9	[vb mod] have been [adj] to	234
10	[vb mod] have been [adj] to	234
11	must have been [adj] [prep]	217
12	may have been [adj] [prep]	195
13	[vb mod] have been [adj] in	195
14	[vb mod] have been [adj] in	195
15	[vb mod] have been [num] [prep]	112
16	might have been [adj] [prep]	108
17	[vb mod] have been one [prep]	89
18	[vb mod] have been one [prep]	89
19	[vb mod] have been [adj] with	83
20	[vb mod] have been [adj] with	83
21	could have been [adj] [prep]	77
22	[vb mod] have been [adj] by	70
23	[vb mod] have been [adj] by	70
24	should have been [adj] [prep]	67
25	[vb mod] have been [adj -er] [prep]	62
26	[vb mod] have been [adj] at	45
27	[vb mod] have been [adj] at	45
28	[vb mod] have been due [prep]	41
29	[vb mod] have been due [prep]	41
30	[vb mod] have been good [prep]	40