| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] four years | 324 |
|
| 2 | [noun] [prep] years [pers pn] | 71 |
|
| 3 | [prep] four years [pers pn] | 16 |
|
| 4 | [noun] [prep] four [pers pn] | 7 |
|
