| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] a [adj] [unc] [noun sg] | 41 |
|
| 2 | a [adj] hours [unc] [noun sg] | 32 |
|
| 3 | [adv] [adj] hours [unc] [noun sg] | 25 |
|
| 4 | [adv] a [adj] hours [unc] | 9 |
|
