| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [num] hours ' | 29 |
|
| 2 | [adv] two hours ' | 9 |
|
| 3 | [adv] two hours ' | 9 |
|
| 4 | about [adj] hours ' | 9 |
|
| 5 | only [adj] hours ' | 5 |
|
