| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few hour [prep] | 58 |
|
| 2 | [prep] [adv] a few hour | 35 |
|
| 3 | [prep] [adv] a few [prep] | 34 |
|
| 4 | [adv] a few hour [prep] | 29 |
|
