| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] to [num] years ['s] | 37 |
|
| 2 | [adj] to [num] years ' | 37 |
|
| 3 | [adj] to [num] years ' | 37 |
|
| 4 | [num] to [num] years [unc] | 35 |
|
| 5 | [adj] to 10 years [unc] | 7 |
|
| 6 | two to [num] years [unc] | 6 |
|
| 7 | two to [num] years [unc] | 6 |
|
| 8 | [adj] to three years [unc] | 5 |
|
| 9 | [adj] to 20 years [unc] | 5 |
|
