| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only [verb] a [adj] hours | 10 |
|
| 2 | only [verb] a few hour | 10 |
|
| 3 | only [verb] a [det] hour | 10 |
|
| 4 | only [verb] a few hour | 10 |
|
