| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in the past [num] years | 510 |
|
| 2 | in the past [det] years | 137 |
|
| 3 | in the past few years | 137 |
|
| 4 | in the past few years | 137 |
|
| 5 | in the past two years | 85 |
|
| 6 | in the past two years | 85 |
|
| 7 | in the past five years | 62 |
|
| 8 | in the past five years | 62 |
|
| 9 | in the past three years | 45 |
|
| 10 | in the past three years | 45 |
|
| 11 | in the past 10 years | 44 |
|
| 12 | in the past 10 years | 44 |
|
| 13 | in the past ten years | 30 |
|
| 14 | in the past ten years | 30 |
|
| 15 | in the past 12 years | 28 |
|
| 16 | in the past 12 years | 28 |
|
| 17 | in the past 20 years | 26 |
|
| 18 | in the past 20 years | 26 |
|
| 19 | in the past four years | 23 |
|
| 20 | in the past four years | 23 |
|
| 21 | in the past 25 years | 17 |
|
| 22 | in the past 25 years | 17 |
|
| 23 | in the past 30 years | 14 |
|
| 24 | in the past 30 years | 14 |
|
| 25 | in the past twenty years | 13 |
|
| 26 | in the past twenty years | 13 |
|
| 27 | in the past six years | 12 |
|
| 28 | in the past six years | 12 |
|
| 29 | in the past 40 years | 11 |
|
| 30 | in the past 40 years | 11 |
|
