SN4 ""

No	Pattern	Freq
1	[adv] [adv] [prep] [num] years	44
2	[adv] [adv] in [adj] years	35
3	[adv] [adv] for [adj] years	28
4	[adv] [adv] [prep] [adj] years	23
5	[adv] [adv] [prep] recent years	21
6	[adv] [adv] [prep] recent years	21
7	so [adv] [prep] [adj] years	15
8	[adv] [adv] [prep] [det] years	13
9	very [adv] [prep] [adj] years	10
10	[adv] well [prep] [adj] years	9
11	[adv] now [prep] [adj] years	7
12	[adv] once [prep] [adj] years	6
13	[adv] [adv] [prep] many years	6
14	[adv] [adv] [prep] many years	6
15	[adv] [adv] after [adj] years	6
16	together [adv] [prep] [adj] years	6
17	[adv] [adv] [prep] ten years	5
18	[adv] [adv] [prep] three years	5
19	quite [adv] [prep] [adj] years	5
20	[adv] [adv] [prep] ten years	5
21	[adv] [adv] [prep] three years	5