| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years | 15203 |
|
| 2 | for [num] years | 6137 |
|
| 3 | for [num] years | 6137 |
|
| 4 | [prep] two years | 1881 |
|
| 5 | of [num] years | 1845 |
|
| 6 | of [num] years | 1845 |
|
| 7 | to [num] years | 1801 |
|
| 8 | to [num] years | 1801 |
|
| 9 | after [num] years | 1681 |
|
| 10 | after [num] years | 1681 |
|
| 11 | in [num] years | 1667 |
|
| 12 | in [num] years | 1667 |
|
| 13 | [prep] five years | 1497 |
|
| 14 | [prep] three years | 1472 |
|
| 15 | [prep] four years | 820 |
|
| 16 | [prep] ten years | 782 |
|
| 17 | within [num] years | 693 |
|
| 18 | within [num] years | 693 |
|
| 19 | [prep] 10 years | 518 |
|
| 20 | [prep] 20 years | 501 |
|
| 21 | [prep] seven years | 495 |
|
| 22 | [prep] six years | 443 |
|
| 23 | [prep] twenty years | 396 |
|
| 24 | [prep] 30 years | 315 |
|
| 25 | [prep] eight years | 300 |
|
| 26 | [prep] 15 years | 284 |
|
| 27 | [prep] 25 years | 261 |
|
| 28 | [prep] thirty years | 225 |
|
| 29 | at [num] years | 207 |
|
| 30 | at [num] years | 207 |
|
