| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] for half a hour | 11 |
|
| 2 | [verb] [verb] for [det] an hour | 11 |
|
| 3 | [verb] [verb] for [det] a hour | 11 |
|
| 4 | [verb] [vb pp] for [det] a hour | 7 |
|
| 5 | have [verb] for [det] a hour | 7 |
|
