SN4 ""

No	Pattern	Freq
1	has been [vb pp] for [det]	129
2	have been [vb pp] for some	101
3	had been [vb pp] for [det]	98
4	have been [vb pp] for [det]	95
5	have been [vb pp] for many	67
6	have been [vb pp] for this	55
7	have been known for [det]	32
8	have been used for [det]	27
9	have been [vb pp] for [det]	26
10	have been [vb pp] for several	19
11	have been [vb pp] for all	17
12	have been made for [det]	16
13	have been [vb pp] for another	12
14	have been [vb pp] for any	12
15	have been [vb pp] for each	11
16	have been [vb pp] for these	11
17	have been [vb pp] for such	10
18	have been [vb pp] for those	10
19	have been [vb pp] for that	9
20	have been recognised for [det]	9
21	have been established for [det]	9
22	have been [vb pp] for most	9
23	've been [vb pp] for [det]	8
24	have been chosen for [det]	7
25	's been [vb pp] for [det]	7
26	have been [vb pp] for more	6
27	to have been [vb pp] for [det]	6
28	have been [vb pp] for much	5
29	have been [vb pp] for less	5
30	have been delayed for [det]	5