SN4 ""

No	Pattern	Freq
1	at the [noun sg] of [verb]	811
2	at the [noun sg] of [v-ing]	800
3	at the time of [verb]	282
4	at the [noun sg] of writing	113
5	at the [noun sg] of write	113
6	at the thought of [verb]	89
7	at the [noun sg] of go	77
8	at the [noun sg] of going	77
9	at the prospect of [verb]	69
10	at the cost of [verb]	48
11	at the risk of [verb]	47
12	at the expense of [verb]	45
13	at the [noun sg] of make	35
14	at the [noun sg] of making	35
15	at the possibility of [verb]	29
16	at the [noun sg] of having	21
17	at the [noun sg] of have	21
18	at the [noun sg] of see	19
19	at the idea of [verb]	19
20	at the [noun sg] of seeing	19
21	at the moment of [verb]	18
22	at the stage of [verb]	14
23	at the [noun sg] of lose	13
24	at the chance of [verb]	13
25	at the [noun sg] of losing	13
26	at the [noun sg] of taking	12
27	at the [noun sg] of take	12
28	at the [noun sg] of speaking	11
29	at the [noun sg] of speak	11
30	at the price of [verb]	11