SN4 ""

No	Pattern	Freq
1	at [adv] one [noun]	1036
2	at least one [noun]	1012
3	at [adv] one [noun sg]	992
4	at [adv] one person	33
5	at [adv] one person	33
6	at [adv] one year	32
7	at [adv] one year	32
8	at [adv] one member	31
9	at [adv] one member	31
10	at [adv] one occasion	26
11	at [adv] one occasion	26
12	at [adv] one [noun prp]	24
13	at [adv] one child	21
14	at [adv] one child	21
15	at [adv] one hour	20
16	at [adv] one hour	20
17	at [adv] one case	19
18	at [adv] one case	19
19	at [adv] one month	16
20	at [adv] one month	16
21	at [adv] one share	16
22	at [adv] one share	16
23	at [adv] one day	15
24	at [adv] one day	15
25	at [adv] one week	14
26	at [adv] one [n mass]	14
27	at [adv] one week	14
28	at [adv] one mob	13
29	at [adv] one mob	13
30	at [adv] one module	10