SN4 ""

No	Pattern	Freq
1	the last [adj] years	3101
2	the last [num] years	2556
3	the last [det] years	540
4	the last few years	536
5	the last few years	536
6	the last two years	319
7	the last two years	319
8	the last ten years	290
9	the last ten years	290
10	the last five years	231
11	the last five years	231
12	the last three years	227
13	the last three years	227
14	the last twenty years	153
15	the last twenty years	153
16	the last 20 years	117
17	the last 20 years	117
18	the last four years	109
19	the last four years	109
20	the last 10 years	96
21	the last 10 years	96
22	the last 30 years	76
23	the last 30 years	76
24	the last thirty years	70
25	the last thirty years	70
26	the last six years	53
27	the last six years	53
28	the last hundred years	48
29	the last fifteen years	48
30	the last fifteen years	48