SN4 ""

No	Pattern	Freq
1	[noun] which has	4852
2	[noun sg] which has	4340
3	[noun pl] which has	269
4	[prep] which has	236
5	[prep] which has	236
6	[pron] which has	208
7	of which has	200
8	of which has	200
9	[conj] which has	193
10	[coord] which has	192
11	[noun prp] which has	188
12	[indef pn] which has	186
13	[adj] which has	146
14	and which has	136
15	and which has	136
16	one which has	115
17	one which has	115
18	[verb] which has	114
19	company which has	66
20	[det] which has	62
21	system which has	62
22	company which has	60
23	system which has	58
24	something which has	56
25	something which has	56
26	[num] which has	52
27	that which has	50
28	that which has	50
29	[n mass] which has	49
30	but which has	43