| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] six years | 443 |
|
| 2 | [prep] years [pers pn] | 217 |
|
| 3 | six years [pers pn] | 36 |
|
| 4 | [prep] six [pers pn] | 33 |
|
