SN4 ""

No	Pattern	Freq
1	[noun] who have not	575
2	[noun] who have not	437
3	[noun pl] who have not	276
4	[noun] who have not	257
5	[noun] who had not	214
6	[noun sg] who have not	184
7	[noun] who have n't	138
8	[noun] who has not	99
9	[n mass] who have not	90
10	people who have not	86
11	people who have not	86
12	patient who have not	24
13	[noun prp] who have not	24
14	patients who have not	21
15	man who have not	20
16	child who have not	20
17	children who have not	16
18	woman who have not	16
19	member who have not	13
20	person who have not	13
21	student who have not	12
22	man who have not	11
23	women who have not	11
24	girl who have not	10
25	students who have not	10
26	men who have not	9
27	members who have not	9
28	person who have not	8
29	others who have not	7
30	individual who have not	7