SN4 ""

No	Pattern	Freq
1	[noun] at the [num ord] of	9
2	[verb] at the [num ord] of	7
3	[noun sg] at the [num ord] of	5
4	at the [num ord] [noun] of	352
5	at the [num ord] [noun sg] of	342
6	at the [num ord] meeting of	58
7	at the [num ord] meeting of	58
8	at the [num ord] sign of	45
9	at the [num ord] sign of	42
10	at the [num ord] session of	24
11	at the [num ord] session of	24
12	at the [num ord] congress of	22
13	at the [num ord] congress of	22
14	at the [num ord] round of	15
15	at the [num ord] round of	15
16	at the [num ord] stage of	15
17	at the [num ord] stage of	14
18	at the [num ord] level of	10
19	at the [num ord] level of	10
20	at the [num ord] time of	9
21	at the [num ord] [noun pl] of	9
22	at the [num ord] time of	9
23	at the [num ord] hint of	8
24	at the [num ord] hint of	8
25	at the [num ord] hour of	5
26	at the [num ord] plenum of	5
27	at the [num ord] plenum of	5
28	at the [num ord] hour of	5
29	at the [num ord] sight of	5
30	at the [num ord] sight of	5