| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] four year ['s] time | 10 |
|
| 2 | [prep] four year [unc] time | 10 |
|
| 3 | [prep] four year ' time | 9 |
|
| 4 | [prep] four year ' time | 9 |
|
