| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few hours [prep] [noun] | 44 |
|
| 2 | a few hours a [noun] | 18 |
|
| 3 | a few hours [prep] a | 14 |
|
| 4 | a few [prep] a [noun] | 13 |
|
| 5 | few hours [prep] a [noun] | 11 |
|
