SN4 ""

No	Pattern	Freq
1	[noun] but [adj] years	9
2	[noun sg] but [adj] years	6
3	but [prep] [adj] years	150
4	but [prep] [adj] years	150
5	but in [adj] years	69
6	but in [adj] years	69
7	but for [adj] years	26
8	but for [adj] years	26
9	but after [adj] years	25
10	but [art] [adj] years	25
11	but after [adj] years	25
12	but [art] [adj] years	25
13	but [adv] [adj] years	20
14	but [adv] [adj] years	19
15	but a [adj] years	18
16	but a [adj] years	18
17	but [adj] [adj] years	15
18	but within [adj] years	12
19	but within [adj] years	12
20	but [verb] [adj] years	9
21	but [det] [adj] years	9
22	but [vb past] [adj] years	8
23	but [pos pn] [adj] years	7
24	but the [adj] years	7
25	but the [adj] years	7
26	but [pron] [adj] years	7
27	but at [adj] years	5
28	but [num] [adj] years	5
29	but at [adj] years	5
30	but [adj] [adj] years	15