SN4 ""

No	Pattern	Freq
1	[noun prp] at a [adj] [noun]	173
2	[noun prp] at a [adj] [noun sg]	161
3	[noun prp] at a [adj] [noun]	151
4	[noun prp] at a [adj] [noun]	131
5	[noun prp] at an [adj] [noun]	42
6	[noun prp] at a [adj -er] [noun]	17
7	[noun prp] at a [adj] meeting	16
8	[noun prp] at a [adj] meeting	16
9	[noun prp] at a early [noun]	15
10	[noun prp] at a early [noun]	12
11	[noun prp] at a [adj] date	12
12	[noun prp] at a [adj] date	12
13	[noun prp] at a special [noun]	9
14	[noun prp] at a special [noun]	9
15	[noun prp] at a [adj] stage	8
16	[noun prp] at a [adj] stage	8
17	[noun prp] at a later [noun]	8
18	[noun prp] at a late [noun]	8
19	[noun prp] at a [adj] cost	7
20	[noun prp] at a [adj] [noun prp]	7
21	[noun prp] at a recent [noun]	7
22	[noun prp] at a [adj] price	7
23	[noun prp] at a recent [noun]	7
24	[noun prp] at a [adj] price	7
25	[noun prp] at a [adj] cost	7
26	[noun prp] at a [adj] moment	6
27	[noun prp] at a [adj] level	6
28	[noun prp] at a [adj] level	6
29	[noun prp] at a [adj] moment	6
30	[noun prp] at a [adj] ceremony	6