| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years | 23108 |
|
| 2 | [prep] four [noun] | 5482 |
|
| 3 | [prep] four [noun pl] | 4773 |
|
| 4 | [prep] four year | 835 |
|
| 5 | [prep] four years | 820 |
|
