| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [det] hours ['s] [noun sg] | 6 |
|
| 2 | for a [det] hours ' [noun sg] | 6 |
|
| 3 | for a [det] hours ' [noun sg] | 6 |
|
| 4 | for a few hours [unc] [noun sg] | 6 |
|
