| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | space [prep] a [det] hours | 5 |
|
| 2 | space of a [det] hours | 5 |
|
| 3 | space [prep] a [det] hours | 5 |
|
| 4 | space [prep] a few hours | 5 |
|
| 5 | space [prep] a [det] hours | 5 |
|
| 6 | space of a [det] hours | 5 |
|
