SN4 ""

No	Pattern	Freq
1	who have [been] [prep]	651
2	who have [be] [prep]	651
3	who have be [prep]	651
4	who have been [prep]	651
5	who had [be] [prep]	319
6	who have [be] in	265
7	who has [be] [prep]	122
8	who have [be] [prep]	112
9	who have [be] on	107
10	who have [be] at	72
11	who have [be] with	67
12	who have [be] to	49
13	who have [be] through	37
14	who 's [be] [prep]	34
15	who 'd [be] [prep]	33
16	who 've [be] [prep]	30
17	who have [be] under	13
18	who have [be] behind	7
19	who have [be] for	6
20	who have [be] without	5