SN4 ""

No	Pattern	Freq
1	[noun sg] at the time	1835
2	[noun sg] at the time	1835
3	[noun sg] at the time	1828
4	area at the time	25
5	force at the time	23
6	idea at the time	20
7	mind at the time	17
8	age at the time	16
9	state at the time	13
10	country at the time	13
11	place at the time	13
12	society at the time	13
13	government at the time	12
14	existence at the time	12
15	minister at the time	12
16	use at the time	11
17	holiday at the time	10
18	child at the time	10
19	room at the time	10
20	service at the time	10
21	land at the time	10
22	company at the time	10
23	situation at the time	9
24	home at the time	9
25	way at the time	9
26	practice at the time	9
27	duty at the time	9
28	party at the time	9
29	work at the time	8
30	car at the time	8