SN4 ""

No	Pattern	Freq
1	who have [verb] to	555
2	who have [vb pp] to	532
3	who had [verb] to	318
4	who have [verb] to	128
5	who have come to	84
6	who have come to	83
7	who has [verb] to	79
8	who have go to	63
9	who have gone to	54
10	who have contributed to	30
11	who have contribute to	30
12	who have return to	29
13	who have returned to	28
14	who have [to-vb] to	23
15	who have moved to	20
16	who have move to	20
17	who have fled to	17
18	who have flee to	17
19	who have emigrated to	14
20	who have emigrate to	14
21	who have responded to	13
22	who have rise to	13
23	who have respond to	13
24	who have risen to	13
25	who have listen to	13
26	who have speak to	12
27	who have spoken to	12
28	who 'd [verb] to	11
29	who have taken to	11
30	who have take to	11