| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few hours [adv] | 153 |
|
| 2 | a few hours [noun] | 14 |
|
| 3 | few hours [adv] [noun] | 8 |
|
| 4 | a few [adv] [noun] | 6 |
|
