| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [modal v] [verb] [num] hours [verb] | 8 |
|
| 2 | [pron] [modal v] [verb] [num] hours [verb] | 8 |
|
| 3 | [noun] [modal v] [verb] [num] hours [verb] | 6 |
|
