SN4 ""

No	Pattern	Freq
1	have been [noun] [prep]	1677
2	have been [noun sg] [prep]	923
3	have been [noun] of	781
4	have been [noun] of	781
5	have been [noun pl] [prep]	711
6	had been [noun] [prep]	603
7	have been [noun] [prep]	407
8	has been [noun] [prep]	266
9	have been [noun] in	250
10	have been [noun] in	250
11	have been [noun] [prep]	205
12	have been part [prep]	177
13	have been part [prep]	176
14	have been [noun] for	157
15	have been [noun] for	157
16	have been [noun] to	99
17	have been [noun] to	99
18	to have been [noun] [prep]	59
19	have been [noun] with	55
20	have been [noun] with	55
21	's been [noun] [prep]	53
22	have been [noun] on	45
23	have been [noun] on	45
24	have been member [prep]	42
25	have been [noun] about	41
26	have been members [prep]	41
27	have been [noun] about	41
28	have been [noun] from	37
29	have been [noun] from	37
30	have been [noun] at	37