| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a few hours | 322 |
|
| 2 | for a [det] hours | 157 |
|
| 3 | within a [det] hours | 56 |
|
| 4 | in a [det] hours | 33 |
|
| 5 | of a [det] hours | 24 |
|
| 6 | after a [det] hours | 18 |
|
| 7 | to a [det] hours | 6 |
|
| 8 | with a [det] hours | 5 |
|
| 9 | until a [det] hours | 5 |
|
