SN4 ""

No	Pattern	Freq
1	[num] years he	254
2	[num] years i	249
3	two years [pers pn]	170
4	[num] years it	152
5	three years [pers pn]	131
6	[num] years we	117
7	five years [pers pn]	107
8	[num] years they	102
9	[num] years she	87
10	ten years [pers pn]	72
11	[num] years you	65
12	four years [pers pn]	61
13	twenty years [pers pn]	49
14	seven years [pers pn]	36
15	six years [pers pn]	36
16	10 years [pers pn]	22
17	thirty years [pers pn]	22
18	fifteen years [pers pn]	21
19	30 years [pers pn]	20
20	eight years [pers pn]	18
21	twelve years [pers pn]	16
22	20 years [pers pn]	15
23	hundred years [pers pn]	13
24	forty years [pers pn]	11
25	nine years [pers pn]	11
26	15 years [pers pn]	10
27	11 years [pers pn]	9
28	million years [pers pn]	9
29	twenty-five years [pers pn]	8
30	13 years [pers pn]	8