| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few hours [prep] [noun] | 44 |
|
| 2 | a few hours [adv] [prep] | 13 |
|
| 3 | few hours [adv] [prep] [noun] | 8 |
|
| 4 | a few hours [adv] [noun] | 7 |
|
