| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [prep] a few hours | 16 |
|
| 2 | and [prep] a few hours | 11 |
|
| 3 | and [prep] a few hours | 11 |
|
| 4 | [conj] for a few hours | 7 |
|
| 5 | [conj] within a few hours | 6 |
|
