| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] a few hour | 23 |
|
| 2 | [subord] a [det] hour | 23 |
|
| 3 | [subord] a [det] hours | 23 |
|
| 4 | than a [det] hour | 19 |
|
