SN4 ""

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