| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] hours [conj] [adv] a [noun sg] | 7 |
|
| 2 | [num] hours [conj] [adv] a [noun sg] | 6 |
|
| 3 | hours [conj] [adv] [verb] a [noun sg] | 5 |
|
