| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] a few hour | 9 |
|
| 2 | a [noun] [prep] a few hours | 9 |
|
| 3 | a [noun] [prep] a few hour | 7 |
|
| 4 | a [noun] [prep] a few hour | 6 |
|
