| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years [pers pn] | 367 |
|
| 2 | [det] [prep] [num] years | 161 |
|
| 3 | [det] [prep] [num] [pers pn] | 75 |
|
| 4 | [det] [num] years [pers pn] | 23 |
|
