SN4 ""

No	Pattern	Freq
1	[noun] [prep] students at	44
2	[noun sg] [prep] students at	29
3	[noun pl] [prep] students at	13
4	[verb] [prep] students at	12
5	[adj] [prep] students at	10
6	[vb pp] [prep] students at	9
7	[adj] [prep] students at	8
8	[prep] [adj] students at	22
9	[prep] [adj] students at	14
10	[prep] [art] students at	12
11	[prep] the students at	12
12	[prep] [art] students at	12
13	[prep] the students at	12
14	[prep] [pron] students at	11
15	[prep] [noun] students at	11
16	[prep] [pos pn] students at	9
17	[prep] [noun sg] students at	8
18	[prep] mature students at	7
19	[prep] mature students at	7
20	[prep] [num] students at	5
21	[prep] students at [art]	38
22	[prep] students at [art]	38
23	[prep] students at the	31
24	[prep] students at the	31
25	[prep] students at [noun]	30
26	[prep] students at [noun prp]	19
27	[prep] students at a	6
28	[prep] students at a	5
29	[prep] students at [adj]	5
30	[prep] students at [noun sg]	5