| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [adj] | 11578 |
|
| 2 | [prep] a [adj] hours | 325 |
|
| 3 | [adv] [prep] [adj] hours | 164 |
|
| 4 | [adv] a [adj] hours | 134 |
|
