| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] seven years | 495 |
|
| 2 | [prep] years [pers pn] | 217 |
|
| 3 | [prep] seven [pers pn] | 40 |
|
| 4 | seven years [pers pn] | 36 |
|
