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 [adj] years [pers pn]	109
4	[prep] the past [num] years [pers pn]	83
5	for the past [adj] years [pers pn]	44
6	for the past [adj] years [pers pn]	44
7	over the past [adj] years [pers pn]	30
8	over the past [adj] years [pers pn]	30
9	[prep] the past [adj] years i	26
10	[prep] the past few years [pers pn]	26
11	[prep] the past [det] years [pers pn]	26
12	[prep] the past [adj] years we	26
13	[prep] the past few years [pers pn]	26
14	in the past [adj] years [pers pn]	24
15	in the past [adj] years [pers pn]	24
16	[prep] the past [adj] years he	23
17	[prep] the past two years [pers pn]	21
18	[prep] the past two years [pers pn]	21
19	[prep] the past [adj] years it	19
20	[prep] the past three years [pers pn]	14
21	[prep] the past three years [pers pn]	14
22	during the past [adj] years [pers pn]	11
23	during the past [adj] years [pers pn]	11
24	[prep] the past [adj] years she	7
25	[prep] the past [adj] years they	7
26	[prep] the past ten years [pers pn]	6
27	[prep] the past twenty years [pers pn]	6
28	[prep] the past ten years [pers pn]	6
29	[prep] the past twenty years [pers pn]	6