SN4 ""

No	Pattern	Freq
1	at least [adj]	9084
2	at [adv] [num]	8698
3	at [adv] one	1817
4	at [adv] one	1817
5	at [adv] [det]	1605
6	at [adv] [adj]	1381
7	at [adv] two	1133
8	at [adv] two	1133
9	at about [adj]	717
10	at [adv] three	679
11	at [adv] three	679
12	at [adv] some	643
13	at [adv] some	643
14	at [adv] four	327
15	at [adv] four	327
16	at [adv] five	305
17	at [adv] five	305
18	at around [adj]	294
19	at [adv] six	274
20	at [adv] six	274
21	at [adv] half	241
22	at [adv] half	241
23	at very [adj]	234
24	at [adv] that	203
25	at [adv] that	203
26	at [adv] ten	197
27	at [adv] ten	197
28	at once [adj]	194
29	at [adv] 10	155
30	at [adv] 10	155