SN4 ""

No	Pattern	Freq
1	who have [adv] be	612
2	who have [adv] been	612
3	who had [adv] be	363
4	who has [adv] be	101
5	who have never be	87
6	who have [adv] be	86
7	who have already be	51
8	who have also be	50
9	who have previously be	46
10	who have always be	45
11	who have just be	43
12	who have once be	38
13	who have recently be	29
14	who 's [adv] be	27
15	who have long be	24
16	who 'd [adv] be	21
17	who have ever be	14
18	who 've [adv] be	14
19	who have hitherto be	13
20	who have now be	13
21	who have only be	12
22	who have earlier be	11
23	who have actually be	8
24	who have traditionally be	7
25	who have since be	7
26	who have probably be	7
27	who have clearly be	5
28	who have often be	5
29	who have originally be	5
30	who have obviously be	5