SN4 ""

No	Pattern	Freq
1	[noun prp] at [num]	846
2	[noun prp] at [det]	753
3	[noun prp] at [adj]	357
4	[noun prp] at all	250
5	[noun prp] at all	250
6	[noun prp] at [num ord]	239
7	[noun prp] at this	227
8	[noun prp] at this	227
9	[noun prp] at that	142
10	[noun prp] at that	142
11	[noun prp] at last	127
12	[noun prp] at last	127
13	[noun prp] at first	88
14	[noun prp] at first	88
15	[noun prp] at one	79
16	[noun prp] at one	79
17	[noun prp] at 7.30	74
18	[noun prp] at 7.30	74
19	[noun prp] at any	49
20	[noun prp] at any	49
21	[noun prp] at some	43
22	[noun prp] at some	43
23	london at [adj]	40
24	england at [adj]	40
25	britain at [adj]	32
26	[noun prp] at two	29
27	[noun prp] at two	29
28	[noun prp] at old	27
29	[noun prp] at old	27
30	[noun prp] at six	25