| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a few hours [prep] [adj] | 14 |
|
| 2 | a few hours [prep] [det] | 6 |
|
| 3 | a few hours [prep] [adj] | 6 |
|
| 4 | a few hours of [adj] | 5 |
|
