SN4 ""

No	Pattern	Freq
1	at [adv] [num] [n mass]	592
2	at least [adj] [n mass]	516
3	at [adv] [adj] people	353
4	at about [adj] [n mass]	46
5	at [adv] [adj] cm	28
6	at around [adj] [n mass]	24
7	at [adv] 100 [n mass]	24
8	at [adv] 100 [n mass]	24
9	at [adv] [adj] percent	21
10	at [adv] [det] [n mass]	21
11	at [adv] two [n mass]	20
12	at [adv] two [n mass]	20
13	at [adv] 20 [n mass]	19
14	at [adv] 20 [n mass]	19
15	at [adv] 30 [n mass]	18
16	at [adv] [adj] species	18
17	at [adv] 30 [n mass]	18
18	at [adv] three [n mass]	17
19	at [adv] three [n mass]	17
20	at [adv] 10 [n mass]	16
21	at [adv] 50 [n mass]	16
22	at [adv] 50 [n mass]	16
23	at [adv] 10 [n mass]	16
24	at [adv] one [n mass]	14
25	at [adv] one [n mass]	14
26	at [adv] five [n mass]	14
27	at [adv] five [n mass]	14
28	at [adv] 5 [n mass]	14
29	at [adv] 5 [n mass]	14
30	at [adv] [adj] mph	12