| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a few hours | 157 |
|
| 2 | within a few hours | 56 |
|
| 3 | in a few hours | 33 |
|
| 4 | of a few hours | 24 |
|
| 5 | after a few hours | 18 |
|
| 6 | to a few hours | 6 |
|
| 7 | until a few hours | 5 |
|
| 8 | with a few hours | 5 |
|
