SN4 ""

No	Pattern	Freq
1	[verb] at the same [noun]	1097
2	[verb] at the [det] [noun sg]	1084
3	[verb] at the [det] time	723
4	[verb] at the [det] time	723
5	[vb pp] at the [det] [noun]	439
6	[v-ing] at the [det] [noun]	243
7	[vb infin] at the [det] [noun]	116
8	[vb past] at the [det] [noun]	112
9	[vb base] at the [det] [noun]	84
10	[to-vb] at the [det] [noun]	84
11	[verb] at the [det] rate	58
12	[verb] at the [det] rate	57
13	[vb -s] at the [det] [noun]	52
14	[verb] at the [det] [noun pl]	39
15	[verb] at the [det] level	33
16	[verb] at the [det] level	32
17	look at the [det] [noun]	31
18	arrive at the [det] [noun]	27
19	[verb] at the [det] speed	26
20	[verb] at the [det] speed	26
21	work at the [det] [noun]	22
22	make at the [det] [noun]	21
23	hold at the [det] [noun]	19
24	held at the [det] [noun]	19
25	made at the [det] [noun]	19
26	occur at the [det] [noun]	18
27	stay at the [det] [noun]	18
28	happen at the [det] [noun]	17
29	grow at the [det] [noun]	17
30	looking at the [det] [noun]	16