SN4 ""

No	Pattern	Freq
1	[noun sg] [noun] at the	6284
2	[noun] [noun sg] at the	5720
3	[noun prp] [noun] at the	2057
4	[noun] [noun pl] at the	1730
5	[noun] [noun prp] at the	1313
6	[noun pl] [noun] at the	340
7	[n mass] [noun] at the	136
8	[noun] course at the	76
9	[noun] room at the	72
10	[noun] unit at the	70
11	[noun] [n mass] at the	70
12	[noun] system at the	68
13	[noun] unit at the	67
14	[noun] officer at the	65
15	research [noun] at the	64
16	research [noun] at the	64
17	[letter] [noun] at the	63
18	[noun] room at the	62
19	[noun] course at the	59
20	[noun] department at the	58
21	[noun] department at the	57
22	[noun] system at the	55
23	[noun] exhibition at the	55
24	[noun] exhibition at the	52
25	[noun] centre at the	52
26	[noun] officer at the	51
27	[noun] service at the	50
28	[noun] centre at the	50
29	[noun] manager at the	49
30	[noun] show at the	49