SN4 ""

No	Pattern	Freq
1	at the [noun sg] [prep]	44604
2	at the [noun] of	41276
3	at the end [prep]	9472
4	at the end [prep]	9415
5	at the time [prep]	2960
6	at the time [prep]	2957
7	at the [noun pl] [prep]	2576
8	at the beginning [prep]	2255
9	at the beginning [prep]	2252
10	at the [noun] in	1703
11	at the top [prep]	1649
12	at the top [prep]	1630
13	at the age [prep]	1463
14	at the age [prep]	1444
15	at the back [prep]	1259
16	at the back [prep]	1254
17	at the expense [prep]	1089
18	at the expense [prep]	1089
19	at the bottom [prep]	1077
20	at the bottom [prep]	1077
21	at the start [prep]	1063
22	at the start [prep]	1061
23	at the heart [prep]	887
24	at the heart [prep]	884
25	at the university [prep]	855
26	at the university [prep]	837
27	at the centre [prep]	804
28	at the centre [prep]	800
29	at the [noun] on	753
30	at the [noun] with	674