| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] a few hours | 7 |
|
| 2 | a [noun sg] [prep] a few hours | 7 |
|
| 3 | a [noun sg] [prep] a [adj] hours | 7 |
|
| 4 | a [noun sg] [prep] a [det] hours | 7 |
|
| 5 | a [noun sg] [prep] a [adj] hours | 6 |
|
