SN4 ""

No	Pattern	Freq
1	[noun] at the [adj] [subord] [pron]	7
2	[noun sg] at the [adj] [subord] [pron]	6
3	[verb] at the [adj] [subord] [pron]	5
4	at the [adj] [noun] [subord] [pron]	289
5	at the [adj] [noun sg] [subord] [pron]	275
6	at the [adj] time [subord] [pron]	167
7	at the [adj] time [subord] [pron]	166
8	at the [adj] [noun pl] [subord] [pron]	14
9	at the [adj] level [subord] [pron]	12
10	at the [adj] level [subord] [pron]	12
11	at the [adj] end [subord] [pron]	7
12	at the [adj] end [subord] [pron]	7
13	at the [adj] rate [subord] [pron]	7
14	at the [adj] rate [subord] [pron]	7
15	at the [adj] minute [subord] [pron]	5
16	at the [adj] moment [subord] [pron]	5
17	at the [adj] minute [subord] [pron]	5
18	at the [adj] moment [subord] [pron]	5
19	at the [adj] [subord] [pron] [verb]	12
20	at the [adj] [subord] [pron] [vb past]	10