| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [conj] [adv] a [noun sg] | 33 |
|
| 2 | [num] hours [conj] a [noun sg] | 16 |
|
| 3 | hours [conj] [adv] a [noun sg] | 9 |
|
| 4 | [num] hours [adv] a [noun sg] | 8 |
|
| 5 | [num] hours [conj] [adv] a | 6 |
|
