| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [noun] [prep] a [det] hours | 9 |
|
| 2 | [pron] [noun] [prep] a few hours | 9 |
|
| 3 | [pos pn] [noun] [prep] a [det] hours | 9 |
|
| 4 | [pron] [noun] for a [det] hours | 5 |
|
| 5 | [pron] [noun] for a [det] hours | 5 |
|
| 6 | [pron] [noun sg] [prep] a [det] hours | 5 |
|
