SN4 ""

No	Pattern	Freq
1	who have [adv] been [adj]	125
2	who have [adv] [been] [adj]	118
3	who have [adv] [been] [adj]	89
4	who had [adv] [been] [adj]	76
5	who have [not/n't] [been] [adj]	36
6	who have not [been] [adj]	36
7	who have not [been] [adj]	28
8	who have [adv] [been] [adj]	26
9	who have [adv] [been] able	20
10	who have [adv] [been] able	20
11	who has [adv] [been] [adj]	18
12	who have never [been] [adj]	17
13	who have never [been] [adj]	17
14	who have [adv] [been] involved	14
15	who have [adv] [been] involved	14
16	who have previously [been] [adj]	12
17	who have previously [been] [adj]	12
18	who have always [been] [adj]	12
19	who have always [been] [adj]	12
20	who have n't [been] [adj]	8
21	who have long [been] [adj]	7
22	who have long [been] [adj]	7
23	who have once [been] [adj]	7
24	who have once [been] [adj]	7
25	who have [adv] [been] married	6
26	who have [adv] [been] married	6
27	who have recently [been] [adj]	5
28	who have recently [been] [adj]	5
29	who have also [been] [adj]	5
30	who have also [been] [adj]	5