SN4 ""

No	Pattern	Freq
1	[adv] [adj] at a time	27
2	[adv] [adj] at a time	26
3	[be] [adj] at a time	20
4	be [adj] at a time	20
5	[verb] [adj] at a time	12
6	particularly [adj] at a time	8
7	particularly [adj] at a time	8
8	be [adj] at a time	7
9	[be] [adj] at a time	7
10	[was/were] [adj] at a time	6
11	seem [adj] at a time	5
12	was [adj] at a time	5
13	[noun] [adj] at a time	5
14	[is] [adj] at a time	5
15	[adj] [noun] at a time	237
16	[adj] [noun sg] at a time	156
17	[adj] [noun pl] at a time	76
18	[adj] bit at a time	8
19	[adj] bit at a time	6
20	[adj] area at a time	5
21	[adj] government at a time	5
22	[adj] amount at a time	5
23	[adj] government at a time	5
24	[adj] [n mass] at a time	5
25	[adj] at such a time	8
26	[adj] at [adj] a time	8
27	[adj] at [det] a time	8
28	[adj] at such a time	8
29	[adj] at a [adj] time	14
30	[adj] at a [adj] time	14