SN4 ""

No	Pattern	Freq
1	[vb pp] [prep] the years	432
2	[vb pp] over [art] years	338
3	[vb pp] in [art] years	45
4	changed [prep] [art] years	40
5	increased [prep] [art] years	15
6	developed [prep] [art] years	15
7	[vb pp] during [art] years	12
8	done [prep] [art] years	9
9	grown [prep] [art] years	9
10	collected [prep] [art] years	9
11	made [prep] [art] years	9
12	altered [prep] [art] years	7
13	widened [prep] [art] years	7
14	[vb pp] by [art] years	7
15	accumulated [prep] [art] years	6
16	[vb pp] with [art] years	6
17	learned [prep] [art] years	6
18	[vb pp] through [art] years	6
19	varied [prep] [art] years	6
20	acquired [prep] [art] years	6
21	lost [prep] [art] years	5
22	diminished [prep] [art] years	5
23	eroded [prep] [art] years	5
24	established [prep] [art] years	5
25	produced [prep] [art] years	5