SN4 ""

No	Pattern	Freq
1	[noun] [noun pl] at the	1730
2	[noun sg] [noun pl] at the	1462
3	[noun prp] [noun pl] at the	160
4	[noun pl] [noun pl] at the	67
5	[n mass] [noun pl] at the	31
6	[noun] services at the	30
7	[noun] workers at the	27
8	security [noun pl] at the	19
9	security [noun pl] at the	19
10	[noun] levels at the	19
11	[noun] members at the	18
12	[noun] courses at the	17
13	[noun] studies at the	16
14	[noun] rates at the	15
15	[noun] facilities at the	14
16	school [noun pl] at the	14
17	[noun] lines at the	14
18	[noun] officials at the	14
19	[noun] officers at the	14
20	[noun] systems at the	13
21	[noun] classes at the	13
22	[noun] stakes at the	13
23	[noun] changes at the	13
24	[noun] stations at the	11
25	student [noun pl] at the	11
26	interest [noun pl] at the	11
27	[noun] students at the	11
28	police [noun pl] at the	11
29	interest [noun pl] at the	11
30	government [noun pl] at the	11