| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | within a few hours [prep] | 11 |
|
| 2 | within a few hours [prep] | 11 |
|
| 3 | within a [det] hours [prep] | 11 |
|
| 4 | within a [adj] hours of | 10 |
|
