SN4 ""

No	Pattern	Freq
1	[noun] [noun] at a [noun]	767
2	[noun] [noun] at a [noun sg]	748
3	[noun sg] [noun] at a [noun]	596
4	[noun] [noun sg] at a [noun]	511
5	[noun] [noun pl] at a [noun]	193
6	[noun prp] [noun] at a [noun]	174
7	[noun] [noun prp] at a [noun]	111
8	[noun] [noun] at a time	102
9	[noun] [noun] at a time	102
10	[noun] [noun] at an [noun]	72
11	[noun] [noun] at a [noun prp]	70
12	[noun] [noun] at a cost	39
13	[noun] [noun] at a cost	39
14	[noun pl] [noun] at a [noun]	36
15	[noun] [noun] at a meeting	34
16	[noun] [noun] at a meeting	34
17	[n mass] [noun] at a [noun]	23
18	[noun] [noun] at a rate	23
19	[noun] [noun] at a rate	23
20	[noun] [noun] at a ceremony	18
21	[noun] [noun] at a ceremony	18
22	[noun] [letter] at a [noun]	17
23	[noun] [noun] at a price	15
24	[noun] [noun] at a price	15
25	[noun] [noun] at a [noun pl]	15
26	[noun] [noun] at a point	14
27	[noun] [noun] at a point	14
28	[noun] [noun] at a house	13
29	[noun] [noun] at a house	13
30	[noun] [noun] at a level	12