SN4 ""

No	Pattern	Freq
1	[noun] at the [det] [noun sg]	1422
2	[noun] at the same [noun]	1386
3	[noun] at the [det] time	1094
4	[noun] at the [det] time	1092
5	[noun sg] at the [det] [noun]	917
6	[noun pl] at the [det] [noun]	406
7	[noun prp] at the [det] [noun]	104
8	[n mass] at the [det] [noun]	32
9	[noun] at the half [noun]	31
10	place at the [det] [noun]	29
11	[noun] at the [det] year	29
12	[noun] at the [det] year	29
13	[noun] at the [det] level	28
14	[noun] at the [det] rate	28
15	[noun] at the [det] level	27
16	[noun] at the [det] rate	26
17	[noun] at the former [noun]	25
18	[noun] at the [det] [noun prp]	23
19	place at the [det] [noun]	23
20	[noun] at the [det] moment	22
21	[noun] at the [det] moment	22
22	[noun] at the [det] price	19
23	thing at the [det] [noun]	19
24	[noun] at the [det] price	19
25	[noun] at the [det] [noun pl]	16
26	things at the [det] [noun]	14
27	while at the [det] [noun]	14
28	while at the [det] [noun]	14
29	[noun] at the [det] speed	13
30	[noun] at the [det] venue	13