SN4 ""

No	Pattern	Freq
1	[verb] at the [det] time [prep]	65
2	[vb pp] at the [det] time [prep]	34
3	[noun] at the [det] time [prep]	31
4	[conj] at the [det] time [prep]	26
5	[coord] at the [det] time [prep]	23
6	[noun sg] at the [det] time [prep]	23
7	[adv] at the [det] time [prep]	17
8	and at the [det] time [prep]	14
9	and at the [det] time [prep]	14
10	[v-ing] at the [det] time [prep]	12
11	but at the [det] time [prep]	9
12	but at the [det] time [prep]	9
13	[adv] at the [det] time [prep]	8
14	[adv prt] at the [det] time [prep]	8
15	[adj] at the [det] time [prep]	7
16	[be] at the [det] time [prep]	6
17	[vb past] at the [det] time [prep]	6
18	be at the [det] time [prep]	6
19	[noun pl] at the [det] time [prep]	6
20	at [prep] the [det] time [prep]	8
21	at [adv] the [det] time [prep]	8
22	at [adv] the [det] time [prep]	8
23	at [prep] the [det] time [prep]	8
24	at about the [det] time [prep]	7
25	at about the [det] time [prep]	7
26	at the [det] time [verb] [prep]	87
27	at the [det] time [v-ing] [prep]	37
28	at the [det] time [noun] [prep]	36
29	at the [det] time [conj] [prep]	27
30	at the [det] time [adj] [prep]	26