SN4 ""

No	Pattern	Freq
1	[conj] [num] years	4461
2	[coord] [adj] years	2867
3	[subord] [adj] years	1923
4	than [adj] years	1707
5	than [adj] years	1707
6	or [adj] years	1502
7	or [adj] years	1502
8	and [adj] years	1228
9	and [adj] years	1228
10	[conj] three years	590
11	[conj] three years	590
12	[conj] two years	483
13	[conj] two years	483
14	[conj] five years	354
15	[conj] five years	354
16	[conj] four years	329
17	[conj] four years	329
18	[conj] ten years	202
19	[conj] ten years	202
20	[conj] [det] years	195
21	[conj] 20 years	165
22	[conj] 20 years	165
23	[conj] six years	145
24	[conj] six years	145
25	[conj] twenty years	142
26	[conj] twenty years	142
27	but [adj] years	133
28	but [adj] years	133
29	[conj] fifty years	129
30	[conj] fifty years	129