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