SN4 ""

No	Pattern	Freq
1	have been [vb pp] [prep] a [adj]	205
2	have been [vb pp] [prep] a [adj]	176
3	have been [vb pp] [prep] a [adj]	158
4	have been [vb pp] by a [adj]	72
5	have been [vb pp] by a [adj]	72
6	have been [vb pp] [prep] an [adj]	47
7	have been [vb pp] as a [adj]	31
8	have been [vb pp] as a [adj]	31
9	have been [vb pp] in a [adj]	22
10	have been [vb pp] in a [adj]	22
11	have been [vb pp] to a [adj]	13
12	have been [vb pp] [prep] a [adj -er]	13
13	have been [vb pp] to a [adj]	13
14	have been [vb pp] with a [adj]	11
15	have been [vb pp] with a [adj]	11
16	have been [vb pp] from a [adj]	11
17	have been [vb pp] from a [adj]	11
18	have been [vb pp] for a [adj]	10
19	have been [vb pp] for a [adj]	10
20	have been [vb pp] at a [adj]	7
21	have been [vb pp] [prep] a [num]	7
22	have been [vb pp] at a [adj]	7
23	have been [vb pp] on a [adj]	6
24	have been [vb pp] on a [adj]	6
25	have been [vb pp] into a [adj]	5
26	have been [vb pp] into a [adj]	5
27	have been [vb pp] [prep] a few	5
28	have been written [prep] a [adj]	5
29	have been achieved [prep] a [adj]	5
30	have been provided [prep] a [adj]	5