SN4 ""

No	Pattern	Freq
1	[noun] [prep] [noun] at the time	297
2	[noun sg] [prep] [noun] at the time	197
3	[verb] [prep] [noun] at the time	102
4	[noun pl] [prep] [noun] at the time	86
5	[be] [prep] [noun] at the time	77
6	be [prep] [noun] at the time	77
7	[adv] [prep] [noun] at the time	56
8	[was/were] [prep] [noun] at the time	50
9	[vb pp] [prep] [noun] at the time	49
10	was [prep] [noun] at the time	39
11	[adj] [prep] [noun] at the time	33
12	[adv] [prep] [noun] at the time	29
13	[v-ing] [prep] [noun] at the time	27
14	[adj] [prep] [noun] at the time	25
15	[vb past] [prep] [noun] at the time	16
16	[adv prt] [prep] [noun] at the time	16
17	[conj] [prep] [noun] at the time	12
18	[be] [prep] [noun] at the time	11
19	be [prep] [noun] at the time	11
20	not [prep] [noun] at the time	11
21	[not/n't] [prep] [noun] at the time	11
22	were [prep] [noun] at the time	11
23	live [prep] [noun] at the time	10
24	not [prep] [noun] at the time	9
25	state [prep] [noun] at the time	8
26	state [prep] [noun] at the time	8
27	living [prep] [noun] at the time	7
28	conditions [prep] [noun] at the time	7
29	been [prep] [noun] at the time	7
30	condition [prep] [noun] at the time	7