| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] hour [noun sg] | 122 |
|
| 2 | [prep] a few [noun] [noun sg] | 96 |
|
| 3 | [prep] a few hour [noun] | 10 |
|
| 4 | [prep] [art] few hour [noun sg] | 7 |
|
