SN4 ""

No	Pattern	Freq
1	[noun prp] at the [noun]	3424
2	[noun prp] at the [noun sg]	2829
3	[noun prp] at the [noun prp]	489
4	[noun prp] at the end	453
5	[noun prp] at the end	452
6	[noun prp] at the time	353
7	[noun prp] at the time	352
8	[noun prp] at the moment	149
9	[noun prp] at the moment	149
10	[noun prp] at the beginning	141
11	[noun prp] at the beginning	141
12	[noun prp] at the weekend	111
13	[noun prp] at the weekend	110
14	[noun prp] at the age	97
15	[noun prp] at the age	97
16	[noun prp] at the [noun pl]	91
17	[noun prp] at the start	70
18	[noun prp] at the start	70
19	britain at the [noun]	55
20	[noun prp] at the top	54
21	[noun prp] at the top	54
22	london at the [noun]	49
23	[noun prp] at the head	44
24	[noun prp] at the head	44
25	england at the [noun]	40
26	[noun prp] at the turn	38
27	[noun prp] at the turn	38
28	[noun prp] at the university	38
29	[noun prp] at the battle	37
30	[noun prp] at the battle	37