| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a [det] hours | 30 |
|
| 2 | [adv] for [art] [det] hours | 30 |
|
| 3 | [adv] for [art] few hours | 30 |
|
| 4 | [adv] for a [det] hours | 30 |
|
| 5 | [adv] for [art] [det] hours | 18 |
|
| 6 | [adv prt] for [art] [det] hours | 12 |
|
