SN4 ""

No	Pattern	Freq
1	[n mass] at [noun prp]	873
2	[n mass] at [noun sg]	410
3	[n mass] at [n mass]	370
4	staff at [noun]	366
5	people at [noun]	297
6	headquarters at [noun]	115
7	[n mass] at work	73
8	[n mass] at work	73
9	[n mass] at [noun pl]	68
10	works at [noun]	67
11	[n mass] at home	48
12	[n mass] at home	48
13	min at [noun]	43
14	[n mass] at risk	39
15	[n mass] at risk	39
16	sales at [noun]	33
17	aircraft at [noun]	22
18	series at [noun]	21
19	[n mass] at 37°c	21
20	[n mass] at 37°c	21
21	[n mass] at auction	18
22	[n mass] at auction	18
23	barracks at [noun]	18
24	[n mass] at room	17
25	[n mass] at room	17
26	fish at [noun]	16
27	[n mass] at school	15
28	[n mass] at night	14
29	[n mass] at school	14
30	[n mass] at night	14