SN4 ""

No	Pattern	Freq
1	[noun] at the [noun sg] [conj]	1886
2	[noun] at the [noun] [coord]	1734
3	[noun sg] at the [noun] [conj]	1522
4	[noun] at the [noun] and	1460
5	[noun] at the [noun] and	1460
6	[noun pl] at the [noun] [conj]	583
7	[noun] at the [noun] [subord]	323
8	[noun] at the [noun] [that]	235
9	[noun] at the [noun] that	235
10	[noun] at the [noun] that	235
11	[noun] at the [noun pl] [conj]	195
12	[noun] at the time [conj]	189
13	[noun] at the time [conj]	188
14	[noun] at the [noun prp] [conj]	186
15	[noun] at the moment [conj]	177
16	[noun] at the moment [conj]	177
17	[noun prp] at the [noun] [conj]	134
18	[noun] at the [noun] but	126
19	[noun] at the [noun] but	126
20	[noun] at the [noun] or	120
21	[noun] at the [noun] or	120
22	look at the [noun] [conj]	94
23	look at the [noun] [conj]	94
24	[noun] at the top [conj]	74
25	[noun] at the top [conj]	74
26	[noun] at the [noun] as	73
27	[noun] at the [noun] as	73
28	[noun] at the back [conj]	62
29	[noun] at the back [conj]	62
30	[noun] at the [noun] because	52