SN4 ""

No	Pattern	Freq
1	[adj] at the time	613
2	[adj] at the moment	320
3	[adj] at the end	223
4	available at the [noun sg]	196
5	present at the [noun sg]	163
6	surprised at the [noun sg]	110
7	[adj] at the top	92
8	[adj] at the prospect	85
9	[adj] at the thought	80
10	[adj] at the way	78
11	concerned at the [noun sg]	72
12	[adj] at the back	69
13	[adj] at the beginning	68
14	[adj] at the start	59
15	clear at the [noun sg]	58
16	amazed at the [noun sg]	54
17	delighted at the [noun sg]	53
18	angry at the [noun sg]	46
19	[adj] at the bottom	46
20	[adj] at the point	44
21	good at the [noun sg]	41
22	open at the [noun sg]	41
23	free at the [noun sg]	41
24	disappointed at the [noun sg]	41
25	pleased at the [noun sg]	39
26	shocked at the [noun sg]	39
27	appalled at the [noun sg]	36
28	[adj] at the sight	34
29	alarmed at the [noun sg]	33
30	dead at the [noun sg]	33