SN4 ""

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