| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few hours [prep] | 58 |
|
| 2 | [prep] a few [prep] [adj] | 16 |
|
| 3 | a few hours [prep] [adj] | 14 |
|
| 4 | [prep] a few hours [adj] | 9 |
|
