| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [art] [det] hours | 159 |
|
| 2 | [vb past] for [art] [det] | 154 |
|
| 3 | [vb past] [art] [det] hours | 26 |
|
| 4 | [vb past] for [det] hours | 14 |
|
