SN4 ""

No	Pattern	Freq
1	which has [adv]	1248
2	which had [adv]	1164
3	which have [adv]	589
4	which have already	385
5	which have now	166
6	which have never	148
7	which have just	141
8	which have previously	132
9	which have always	118
10	which have so	117
11	which have recently	107
12	which have only	106
13	which have once	82
14	which have long	81
15	which have also	79
16	which have since	74
17	which have hitherto	69
18	which have traditionally	51
19	which have yet	51
20	which have originally	39
21	which have often	37
22	which have more	34
23	which have very	28
24	which have both	26
25	which have almost	24
26	which have subsequently	22
27	which have actually	21
28	which have still	19
29	which have sometimes	17
30	which have suddenly	17