| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] hour [adv] a [noun sg] | 9 |
|
| 2 | [num] or [adv] a [noun sg] | 7 |
|
| 3 | hour or [adv] a [noun sg] | 6 |
|
| 4 | [num] hour or [adv] a | 5 |
|
