SN4 ""

No	Pattern	Freq
1	at the [noun sg] of [adj]	6547
2	at the [noun] of [num]	2691
3	at the [noun] of [det]	2245
4	at the end of [adj]	1818
5	at the end of [adj]	1812
6	at the [noun] of [adj]	1543
7	at the age of [adj]	1435
8	at the age of [adj]	1417
9	at the [noun] of this	965
10	at the [noun] of this	965
11	at the beginning of [adj]	502
12	at the beginning of [adj]	502
13	at the [noun] of each	431
14	at the [noun] of each	431
15	at the [noun] of [num ord]	334
16	at the [noun pl] of [adj]	299
17	at the expense of [adj]	258
18	at the expense of [adj]	258
19	at the [noun] of last	247
20	at the [noun] of last	247
21	at the [noun] of that	208
22	at the [noun] of that	208
23	at the start of [adj]	169
24	at the start of [adj]	168
25	at the heart of [adj]	166
26	at the heart of [adj]	164
27	at the level of [adj]	141
28	at the level of [adj]	140
29	at the rate of [adj]	137
30	at the rate of [adj]	137