| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] years [pers pn] | 217 |
|
| 2 | [prep] fifteen years | 178 |
|
| 3 | fifteen years [pers pn] | 21 |
|
| 4 | [prep] fifteen [pers pn] | 19 |
|
