| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] four weeks [unc] time | 6 |
|
| 2 | [prep] four weeks [unc] time | 6 |
|
| 3 | in four weeks [unc] time | 5 |
|
| 4 | in four weeks [unc] time | 5 |
|
