| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [det] hours in | 33 |
|
| 2 | a few hours in | 22 |
|
| 3 | a few hours in | 22 |
|
| 4 | a half hours in | 11 |
|
| 5 | a half hours in | 11 |
|
