SN4 ""

No	Pattern	Freq
1	are at the [noun]	344
2	are at the [noun sg]	324
3	are at the moment	56
4	are at the moment	56
5	are at the heart	31
6	are at the heart	31
7	are at the bottom	21
8	are at the bottom	21
9	are at the mercy	20
10	are at the mercy	20
11	are at the forefront	16
12	are at the forefront	16
13	are at the top	15
14	are at the top	15
15	are at the end	13
16	are at the root	12
17	are at the [noun prp]	12
18	are at the root	12
19	are at the end	12
20	are at the centre	11
21	are at the centre	11
22	are at the back	8
23	are at the back	8
24	are at the stage	8
25	are at the stage	8
26	are at the [noun pl]	7
27	are at the core	6
28	are at the core	6
29	are at the time	5
30	are at the time	5