SN4 ""

No	Pattern	Freq
1	at [adv] [noun]	2200
2	at [adv] [noun]	2105
3	at [adv] [n mass]	1355
4	at least [noun]	1101
5	at least [noun]	1101
6	at [adv] [noun sg]	371
7	at [adv] [noun prp]	326
8	at around [noun]	253
9	at around [noun]	253
10	at about [noun]	207
11	at about [noun]	207
12	at [adv] [noun pl]	131
13	at [adv] part	118
14	at [adv] part	113
15	at both [noun]	95
16	at both [noun]	95
17	at [Wh adv] [noun]	90
18	at how [noun]	76
19	at how [noun]	76
20	at once [noun]	69
21	at once [noun]	69
22	at over [noun]	62
23	at over [noun]	62
24	at only [noun]	53
25	at only [noun]	53
26	at just [noun]	50
27	at just [noun]	50
28	at under [noun]	29
29	at under [noun]	29
30	at approximately [noun]	28