SN4 ""

No	Pattern	Freq
1	at the [det] [noun] [prep]	387
2	at the [det] [noun sg] [prep]	372
3	at the same [noun] [prep]	356
4	at the [det] time [prep]	170
5	at the [det] time [prep]	170
6	at the [det] [noun] in	99
7	at the [det] [noun] of	87
8	at the [det] [noun] for	35
9	at the [det] [noun] on	33
10	at the [det] level [prep]	24
11	at the [det] level [prep]	24
12	at the [det] point [prep]	18
13	at the [det] point [prep]	18
14	at the [det] rate [prep]	16
15	at the [det] [noun] from	16
16	at the [det] [noun] with	16
17	at the [det] [noun] to	16
18	at the [det] [noun] by	16
19	at the [det] rate [prep]	15
20	at the [det] stage [prep]	15
21	at the [det] [noun] at	15
22	at the [det] [noun pl] [prep]	14
23	at the [det] stage [prep]	13
24	at the half [noun] [prep]	9
25	at the [det] venue [prep]	9
26	at the [det] venue [prep]	9
27	at the [det] year [prep]	8
28	at the [det] position [prep]	8
29	at the [det] price [prep]	8
30	at the [det] position [prep]	8