| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few hours [prep] the | 35 |
|
| 2 | a few hours [prep] the | 35 |
|
| 3 | a few hours after the | 9 |
|
| 4 | a few hours before the | 7 |
|
| 5 | a few hours in the | 7 |
|
