| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] only a [adj] | 669 |
|
| 2 | [prep] a [adj] hours | 327 |
|
| 3 | only a [adj] hours | 71 |
|
| 4 | [prep] only [adj] hours | 21 |
|
