SN4 ""

No	Pattern	Freq
1	[adv] until about [adj]	15
2	[noun] until about [adj]	10
3	[verb] until about [adj]	10
4	[adj] until about [adj]	9
5	[adj] until about [adj]	8
6	[noun sg] until about [adj]	7
7	[adv prt] until about [adj]	7
8	[conj] until about [adj]	6
9	[adv] until about [adj]	5
10	until about [adj] [adj]	8
11	until about [num] [adj]	7
12	until about [adj] [adv]	20
13	until about [adj] [adv]	20
14	until about [adj] [noun]	17
15	until about [adj] [noun pl]	16
16	until about [adj] o'clock	15
17	until about [adj] o'clock	15
18	until about [adj] [prep]	8
19	until about [adj] [adj]	8
20	until about [adj] [prep]	8
21	until about [adj] year	7
22	until about [adj] years	7
23	until about [adj] months	5
24	until about [adj] [num]	5
25	until about [adj] month	5