| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | hour or [adv] [art] | 10 |
|
| 2 | hour or [adv] [art] | 10 |
|
| 3 | hour or so [art] | 5 |
|
| 4 | hour or [adv] a | 5 |
|
