| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few [noun] [unc] [noun] | 134 |
|
| 2 | [prep] a [adj] hour [unc] [noun] | 15 |
|
| 3 | [prep] [art] few hour [unc] [noun] | 11 |
|
