SN4 ""

No	Pattern	Freq
1	who have [verb] a	1222
2	who have [vb pp] a	1186
3	who have [verb] a	1028
4	who had [verb] a	519
5	who has [verb] a	314
6	who have [verb] a	227
7	who have [verb] an	194
8	who have have a	143
9	who have had a	139
10	who have make a	98
11	who have made a	97
12	who 's [verb] a	93
13	who have get a	82
14	who have got a	82
15	who have take a	44
16	who have taken a	41
17	who 've [verb] a	36
18	who have [to-vb] a	34
19	who 'd [verb] a	32
20	who have become a	29
21	who have become a	29
22	who have lost a	23
23	who have lose a	23
24	who have suffered a	23
25	who have suffer a	23
26	who have spend a	22
27	who have spent a	22
28	who have played a	21
29	who have play a	21
30	who have find a	21