| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [num] hours [verb] | 160 |
|
| 2 | [vb past] [num] hours [verb] | 79 |
|
| 3 | [vb past] [verb] [num] hours | 53 |
|
| 4 | [vb past] [verb] [num] [verb] | 28 |
|
| 5 | [vb past] [verb] hours [verb] | 10 |
|
