| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] for [det] hour | 23 |
|
| 2 | [adv prt] for [det] hours | 15 |
|
| 3 | [adv prt] for several hour | 13 |
|
| 4 | [adv prt] for [det] hour | 8 |
|
| 5 | on for [det] hour | 6 |
|
| 6 | [adv prt] for another hour | 5 |
|
| 7 | off for [det] hour | 5 |
|
