SN4 ""

No	Pattern	Freq
1	have been [vb pp] for [det]	369
2	has been [vb pp] for [det]	129
3	have been [vb pp] for some	101
4	had been [vb pp] for [det]	98
5	have been [vb pp] for [det]	95
6	have been [vb pp] for many	67
7	have been [vb pp] for this	55
8	have been known for [det]	32
9	have been used for [det]	27
10	have been [vb pp] for [det]	26
11	have been [vb pp] for several	19
12	have been [vb pp] for all	17
13	have been made for [det]	16
14	have been [vb pp] for another	12
15	have been [vb pp] for any	12
16	have been [vb pp] for each	11
17	have been [vb pp] for these	11
18	have been [vb pp] for such	10
19	have been [vb pp] for those	10
20	have been recognised for [det]	9
21	have been [vb pp] for that	9
22	have been [vb pp] for most	9
23	have been established for [det]	9
24	've been [vb pp] for [det]	8
25	have been chosen for [det]	7
26	's been [vb pp] for [det]	7
27	to have been [vb pp] for [det]	6
28	have been [vb pp] for more	6
29	have been delayed for [det]	5
30	have been [vb pp] for less	5