| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [adv] a [det] hour | 14 |
|
| 2 | [verb] [prep] [adv] a [det] hours | 14 |
|
| 3 | [verb] [prep] [adv] a few hour | 14 |
|
| 4 | [verb] [prep] [adv] a [det] hour | 14 |
|
| 5 | [vb pp] [prep] [adv] a [det] hour | 9 |
|
| 6 | [verb] [prep] only a [det] hour | 9 |
|
| 7 | [verb] for [adv] a [det] hour | 8 |
|
| 8 | [verb] for [adv] a [det] hour | 8 |
|
