| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [prep] [num] years ' | 49 |
|
| 2 | [num] [prep] [num] years ' | 49 |
|
| 3 | [num] [prep] [num] years ['s] | 49 |
|
| 4 | [num] to [num] years [unc] | 35 |
|
| 5 | [num] after [num] years [unc] | 12 |
|
| 6 | [num] [prep] 10 years [unc] | 8 |
|
| 7 | [num] [prep] three years [unc] | 6 |
|
| 8 | [num] [prep] five years [unc] | 6 |
|
| 9 | two [prep] [num] years [unc] | 6 |
|
