SN4 ""

No	Pattern	Freq
1	who have been [verb]	3325
2	who have be [vb pp]	2295
3	who had be [verb]	1786
4	who have be [v-ing]	1024
5	who have be [verb]	619
6	who has be [verb]	537
7	who 's be [verb]	141
8	who 'd be [verb]	138
9	who 've be [verb]	103
10	who have be appointed	73
11	who have be appoint	73
12	who have be give	68
13	who have be given	64
14	who have be arrest	45
15	who have be arrested	45
16	who have be bring	44
17	who have be brought	44
18	who have be make	43
19	who have be killed	43
20	who have be kill	43
21	who have be take	40
22	who have be elect	40
23	who have be elected	40
24	who have be working	39
25	who have be work	39
26	who have be watch	34
27	who have be do	34
28	who have be made	34
29	who have be doing	33
30	who have be watching	33