| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for [num] hours in | 31 |
|
| 2 | [vb pp] for [adj] hours in | 17 |
|
| 3 | [vb past] for [adj] hours in | 8 |
|
| 4 | [vb infin] for [adj] hours in | 5 |
|
