SN4 ""

No	Pattern	Freq
1	[verb] [prep] at the [noun sg]	151
2	[vb pp] [prep] at the [noun]	87
3	[verb] to at the [noun]	47
4	[verb] [prep] at the moment	34
5	[verb] [prep] at the moment	34
6	[verb] with at the [noun]	29
7	[verb] for at the [noun]	25
8	[to-vb] [prep] at the [noun]	24
9	[verb] [prep] at the time	22
10	[verb] [prep] at the time	22
11	[verb] [prep] at the end	20
12	[verb] [prep] at the end	20
13	[vb past] [prep] at the [noun]	18
14	[v-ing] [prep] at the [noun]	17
15	[vb infin] [prep] at the [noun]	16
16	[verb] about at the [noun]	15
17	talk [prep] at the [noun]	15
18	deal [prep] at the [noun]	14
19	[verb] [prep] at the [noun prp]	12
20	[verb] of at the [noun]	12
21	refer [prep] at the [noun]	11
22	[verb] [prep] at the beginning	11
23	[verb] [prep] at the beginning	11
24	dealt [prep] at the [noun]	10
25	referred [prep] at the [noun]	9
26	[verb] upon at the [noun]	9
27	[vb base] [prep] at the [noun]	9
28	[verb] into at the [noun]	8
29	think [prep] at the [noun]	8
30	[verb] at at the [noun]	8