SN4 ""

No	Pattern	Freq
1	[verb] [adv] at the time of	18
2	[noun] [adv] at the time of	18
3	[adv] [adv] at the time of	11
4	[noun pl] [adv] at the time of	8
5	[adv] [adv] at the time of	7
6	[vb pp] [adv] at the time of	7
7	[noun sg] [adv] at the time of	6
8	[adj] [adv] at the time of	6
9	[conj] [adv] at the time of	5
10	[vb past] [adv] at the time of	5
11	[coord] [adv] at the time of	5
12	[adv] [adj] at the time of	46
13	[adv] [verb] at the time of	36
14	[adv] [vb pp] at the time of	29
15	[adv] [adj] at the time of	28
16	[adv] [num] at the time of	16
17	[adv] [adv] at the time of	8
18	[adv] [adv] at the time of	7
19	[adv] [conj] at the time of	7
20	[adv] investigate at the time of	5
21	[adv] investigated at the time of	5
22	[adv] at the time of [art]	44
23	[adv] at the time of [art]	44
24	[adv] at the time of the	43
25	[adv] at the time of the	43
26	[adv] at the time of [noun]	26
27	[adv] at the time of [noun sg]	16
28	[adv] at the time of [pos pn]	13
29	[adv] at the time of [pron]	13
30	[adv] at the time of [noun prp]	10