| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a few hours | 69 |
|
| 2 | [verb] for a [det] hours | 34 |
|
| 3 | [vb pp] [prep] a [det] hours | 22 |
|
| 4 | [verb] within a [det] hours | 13 |
|
| 5 | [vb infin] [prep] a [det] hours | 10 |
|
| 6 | [to-vb] [prep] a [det] hours | 10 |
|
| 7 | [v-ing] [prep] a [det] hours | 10 |
|
| 8 | [vb past] [prep] a [det] hours | 8 |
|
| 9 | [vb base] [prep] a [det] hours | 8 |
|
| 10 | [verb] in a [det] hours | 8 |
|
