SN4 ""

No	Pattern	Freq
1	[verb] at the time of	402
2	[vb pp] at the time [prep]	309
3	[v-ing] at the time [prep]	62
4	[vb past] at the time [prep]	61
5	make at the time [prep]	33
6	made at the time [prep]	32
7	[verb] at the time by	23
8	exist at the time [prep]	21
9	[verb] at the time as	16
10	know at the time [prep]	16
11	[to-vb] at the time [prep]	16
12	[vb base] at the time [prep]	15
13	[vb infin] at the time [prep]	14
14	[vb -s] at the time [prep]	14
15	[verb] at the time to	12
16	give at the time [prep]	11
17	known at the time [prep]	10
18	write at the time [prep]	10
19	given at the time [prep]	10
20	occur at the time [prep]	10
21	do at the time [prep]	9
22	[verb] at the time in	8
23	think at the time [prep]	7
24	taken at the time [prep]	7
25	take at the time [prep]	7
26	have at the time [prep]	6
27	pay at the time [prep]	6
28	say at the time [prep]	6
29	work at the time [prep]	6
30	established at the time [prep]	6