SN4 ""

No	Pattern	Freq
1	at the [adj] [noun] on	312
2	at the [adj] [noun] on	312
3	at the [adj] [noun sg] on	269
4	at the [adj] [noun] on	234
5	at the [adj] [noun pl] on	41
6	at the [det] [noun] on	33
7	at the same [noun] on	32
8	at the same [noun] on	32
9	at the [num ord] [noun] on	25
10	at the [adj] time on	15
11	at the [adj] time on	15
12	at the [adj -est] [noun] on	12
13	at the general [noun] on	9
14	at the [adj] point on	9
15	at the high [noun] on	9
16	at the general [noun] on	9
17	at the [adj] point on	8
18	at the first [noun] on	8
19	at the [adj] level on	8
20	at the [adj] meeting on	8
21	at the [adj] meeting on	8
22	at the first [noun] on	8
23	at the royal [noun] on	7
24	at the old [noun] on	7
25	at the royal [noun] on	7
26	at the old [noun] on	7
27	at the national [noun] on	6
28	at the [adj] session on	6
29	at the [adj] session on	6
30	at the national [noun] on	6