| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] hours [unc] [noun] | 11 |
|
| 2 | [prep] a [det] hours [unc] [noun] | 11 |
|
| 3 | for a [det] [noun pl] [unc] [noun] | 10 |
|
| 4 | for a [det] [noun] [unc] [noun] | 10 |
|
| 5 | for [art] [det] hours [unc] [noun] | 6 |
|
| 6 | for a [det] hours [unc] [noun] | 6 |
|
| 7 | for [art] [det] hours [unc] [noun] | 6 |
|
| 8 | for a [det] hour [unc] [noun] | 6 |
|
| 9 | for a [adj] hours [unc] [noun] | 6 |
|
| 10 | for a [det] hours [unc] [noun] | 6 |
|
