| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [det] hours | 157 |
|
| 2 | a [det] hours [art] | 40 |
|
| 3 | for [det] hours [art] | 8 |
|
| 4 | for a [det] [art] | 5 |
|
