| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] hours each | 6 |
|
| 2 | for a [adj] hours each | 6 |
|
| 3 | for a [adj] hours each | 6 |
|
| 4 | [prep] a [adj] hours each | 6 |
|
| 5 | a [adj] hours each [noun] | 12 |
|
| 6 | a [adj] hours each [noun sg] | 11 |
|
