SN4 ""

No	Pattern	Freq
1	[conj] [prep] [adv] [adj] years	46
2	[conj] [prep] [adv] [num] years	35
3	[coord] [prep] [adv] [adj] years	25
4	and [prep] [adv] [adj] years	16
5	and [prep] [adv] [adj] years	16
6	[conj] for [adv] [adj] years	14
7	[conj] for [adv] [adj] years	14
8	[conj] in [adv] [adj] years	13
9	[conj] in [adv] [adj] years	13
10	[conj] at [adv] [adj] years	11
11	that [prep] [adv] [adj] years	11
12	[that] [prep] [adv] [adj] years	11
13	that [prep] [adv] [adj] years	11
14	[conj] at [adv] [adj] years	11
15	[subord] [prep] [adv] [adj] years	10
16	[conj] [prep] least [adj] years	10
17	[conj] [prep] [adv] two years	8
18	[conj] [prep] over [adj] years	8
19	[conj] [prep] [adv] [adj] years	8
20	but [prep] [adv] [adj] years	8
21	but [prep] [adv] [adj] years	8
22	[conj] [prep] [adv] two years	8
23	[conj] [prep] more [adj] years	6
24	[conj] [prep] [adv] recent years	6
25	[conj] [prep] [adv] recent years	6