| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] a [det] | 680 |
|
| 2 | [prep] a [det] hours | 322 |
|
| 3 | [adv] a [det] hours | 131 |
|
| 4 | [adv] [prep] [det] hours | 32 |
|
