SN4 ""

No	Pattern	Freq
1	who have be [verb] [adv prt]	200
2	who have been [verb] [adv prt]	200
3	who have be [vb pp] [adv prt]	154
4	who had be [verb] [adv prt]	101
5	who have be [verb] up	69
6	who have be [verb] out	47
7	who have be [v-ing] [adv prt]	46
8	who have be [verb] [adv prt]	39
9	who have be brought [adv prt]	37
10	who have be bring [adv prt]	37
11	who has be [verb] [adv prt]	27
12	who have be [verb] in	24
13	who 'd be [verb] [adv prt]	12
14	who have be [verb] on	12
15	who have be [verb] down	12
16	who have be [verb] off	12
17	who 've be [verb] [adv prt]	11
18	who 's be [verb] [adv prt]	10
19	who have be [verb] around	6
20	who have be [verb] over	6
21	who have be let [adv prt]	6
22	who have be let [adv prt]	6
23	who have be driven [adv prt]	5
24	who have be drive [adv prt]	5
25	who have be take [adv prt]	5
26	who have be [verb] back	5
27	who have be taken [adv prt]	5
28	who have be turn [adv prt]	5