SN4 ""

No	Pattern	Freq
1	at an [noun sg]	1270
2	at an angle	214
3	at an angle	214
4	at an end	129
5	at an end	129
6	at an [noun prp]	88
7	at an average	67
8	at an average	67
9	at an auction	47
10	at an auction	47
11	at an altitude	39
12	at an altitude	39
13	at an exhibition	36
14	at an exhibition	36
15	at an age	31
16	at an age	31
17	at an [noun pl]	30
18	at an emergency	29
19	at an emergency	29
20	at an undervalue	25
21	at an undervalue	25
22	at an advantage	24
23	at an advantage	24
24	at an event	20
25	at an event	20
26	at an army	15
27	at an army	15
28	at an inquest	14
29	at an address	14
30	at an inquest	14