SN4 ""

No	Pattern	Freq
1	who have been [v-ing]	1024
2	who have be [v-ing]	1024
3	who had be [v-ing]	470
4	who has be [v-ing]	198
5	who have be [v-ing]	169
6	who 's be [v-ing]	85
7	who 'd be [v-ing]	58
8	who 've be [v-ing]	44
9	who have be working	39
10	who have be watching	33
11	who have be doing	33
12	who have be living	26
13	who have be waiting	25
14	who have be missing	23
15	who have be playing	22
16	who have be looking	22
17	who have be sitting	22
18	who have be fighting	20
19	who have be trying	19
20	who have be having	17
21	who have be standing	15
22	who have be talking	14
23	who have be drinking	14
24	who have be running	12
25	who have be acting	12
26	who have be taking	11
27	who have be helping	10
28	who have be holding	10
29	who have be studying	10
30	who have be listening	10