SN4 ""

No	Pattern	Freq
1	[prep] the past [adj] years [pers pn]	109
2	[prep] the past [adj] years [pers pn]	109
3	[prep] the past [num] years [pers pn]	83
4	for the past [adj] years [pers pn]	44
5	for the past [adj] years [pers pn]	44
6	over the past [adj] years [pers pn]	30
7	over the past [adj] years [pers pn]	30
8	[prep] the past few years [pers pn]	26
9	[prep] the past [det] years [pers pn]	26
10	[prep] the past [adj] years i	26
11	[prep] the past few years [pers pn]	26
12	[prep] the past [adj] years we	26
13	in the past [adj] years [pers pn]	24
14	in the past [adj] years [pers pn]	24
15	[prep] the past [adj] years he	23
16	[prep] the past two years [pers pn]	21
17	[prep] the past two years [pers pn]	21
18	[prep] the past [adj] years it	19
19	[prep] the past three years [pers pn]	14
20	[prep] the past three years [pers pn]	14
21	during the past [adj] years [pers pn]	11
22	during the past [adj] years [pers pn]	11
23	[prep] the past [adj] years they	7
24	[prep] the past [adj] years she	7
25	[prep] the past ten years [pers pn]	6
26	[prep] the past ten years [pers pn]	6
27	[prep] the past twenty years [pers pn]	6
28	[prep] the past twenty years [pers pn]	6