| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [num] hours [verb] | 160 |
|
| 2 | i [verb] [num] [verb] | 35 |
|
| 3 | i [verb] [num] hours | 32 |
|
| 4 | i [verb] hours [verb] | 15 |
|
