SN4 ""

No	Pattern	Freq
1	at [adv] the [noun]	755
2	at [adv] the [noun sg]	638
3	at least the [noun]	518
4	at least the [noun]	518
5	at [adv] the [noun pl]	118
6	at once the [noun]	77
7	at once the [noun]	77
8	at [Wh adv] the [noun]	50
9	at how the [noun]	35
10	at how the [noun]	35
11	at [adv] the [noun prp]	34
12	at both the [noun]	33
13	at both the [noun]	33
14	at [adv] the time	32
15	at [adv] the time	32
16	at precisely the [noun]	26
17	at precisely the [noun]	26
18	at twice the [noun]	23
19	at twice the [noun]	23
20	at just the [noun]	17
21	at just the [noun]	17
22	at [adv] the [n mass]	15
23	at [adv] the possibility	13
24	at where the [noun]	13
25	at where the [noun]	13
26	at either the [noun]	12
27	at [adv] the possibility	12
28	at [adv] the rate	12
29	at [adv] the rate	12
30	at either the [noun]	12