SN4 ""

No	Pattern	Freq
1	which [vb base] to	1270
2	which [vb base] to	1270
3	which need to	156
4	which relate to	132
5	which have to	130
6	which apply to	94
7	which lead to	86
8	which seem to	67
9	which contribute to	59
10	which appear to	57
11	which belong to	41
12	which correspond to	34
13	which refer to	31
14	which tend to	31
15	which come to	22
16	which amount to	20
17	which happen to	18
18	which conform to	17
19	which point to	16
20	which appeal to	15
21	which attach to	12
22	which go to	12
23	which respond to	11
24	which add to	11
25	which spread to	9
26	which claim to	9
27	which require to	7
28	which bind to	6
29	which occur to	6
30	which continue to	6