SN4 ""

No	Pattern	Freq
1	the past [adj] years [pers pn]	110
2	the past [num] years [pers pn]	84
3	the past [adj] years i	27
4	the past [det] years [pers pn]	26
5	the past few years [pers pn]	26
6	the past few years [pers pn]	26
7	the past [adj] years we	26
8	the past [adj] years he	23
9	the past two years [pers pn]	22
10	the past two years [pers pn]	22
11	the past [adj] years it	19
12	the past three years [pers pn]	14
13	the past three years [pers pn]	14
14	the past [adj] years she	7
15	the past [adj] years they	7
16	the past twenty years [pers pn]	6
17	the past ten years [pers pn]	6
18	the past twenty years [pers pn]	6
19	the past ten years [pers pn]	6