| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] four years and [pron] [verb] | 6 |
|
| 2 | [prep] four year and [pron] [verb] | 6 |
|
| 3 | [prep] four year and [pron] [verb] | 6 |
|
| 4 | [prep] four year and [pron] have | 5 |
|
| 5 | for four year and [pron] [verb] | 5 |
|
| 6 | [prep] four year and [pers pn] [verb] | 5 |
|
