| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few hours [prep] | 58 |
|
| 2 | [prep] a few hours [prep] | 58 |
|
| 3 | [prep] a [det] hours [prep] | 58 |
|
| 4 | for a [adj] hours [prep] | 26 |
|
| 5 | [prep] a [adj] hours of | 15 |
|
| 6 | within a [adj] hours [prep] | 11 |
|
| 7 | [prep] a [adj] hours in | 10 |
|
| 8 | [prep] a [adj] hours at | 8 |
|
| 9 | [prep] a [adj] hours on | 6 |
|
| 10 | in a [adj] hours [prep] | 5 |
|
| 11 | [prep] a [adj] hours before | 5 |
|
