SN4 ""

No	Pattern	Freq
1	be at the [noun]	591
2	[be] at the [noun]	591
3	[be] at the [noun]	591
4	[be] at the [noun sg]	530
5	[be] at the [noun prp]	38
6	[be] at the end	35
7	[be] at the end	34
8	[be] at the expense	30
9	[be] at the expense	30
10	[be] at the centre	28
11	[be] at the centre	28
12	[be] at the forefront	27
13	[be] at the forefront	27
14	[be] at the heart	26
15	[be] at the heart	26
16	[be] at the top	26
17	[be] at the top	26
18	[be] at the mercy	23
19	[be] at the mercy	23
20	[be] at the [noun pl]	22
21	[be] at the root	13
22	[be] at the root	13
23	[be] at the beginning	10
24	[be] at the bottom	10
25	[be] at the beginning	10
26	[be] at the bottom	10
27	[be] at the airport	8
28	[be] at the front	8
29	[be] at the airport	8
30	[be] at the front	8