SN4 ""

No	Pattern	Freq
1	[adj] [noun] [prep] at the time	6
2	[noun] [prep] [noun] at the time	297
3	[noun] [prep] [noun sg] at the time	157
4	[noun] [prep] [noun prp] at the time	97
5	[noun] [prep] [noun pl] at the time	35
6	[noun] [prep] [pron] at the time	27
7	[noun] [prep] [pers pn] at the time	25
8	[noun] [prep] [adj] at the time	17
9	[noun] [prep] force at the time	14
10	[noun] [prep] force at the time	14
11	[noun] [prep] [det] at the time	10
12	[noun] [prep] [v-ing] at the time	8
13	[noun] [prep] [verb] at the time	8
14	[noun] [prep] [n mass] at the time	8
15	[noun] [prep] mind at the time	7
16	[noun] [prep] it at the time	7
17	[noun] [prep] mind at the time	7
18	[noun] [prep] it at the time	7
19	[noun] [prep] me at the time	7
20	[noun] [prep] i at the time	7
21	[noun] [prep] this at the time	6
22	[noun] [prep] england at the time	6
23	[noun] [prep] age at the time	6
24	[noun] [prep] age at the time	6
25	[noun] [prep] [num] at the time	6
26	[noun] [prep] this at the time	6
27	[noun] [prep] england at the time	6
28	[noun] [prep] operation at the time	5
29	[noun] [prep] at the same time	8
30	[noun] [prep] at the [adj] time	8