| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adj] hours a [noun sg] | 78 |
|
| 2 | a [adj] hours a [noun sg] | 28 |
|
| 3 | for a [adj] hours a | 6 |
|
| 4 | for a [adj] a [noun sg] | 5 |
|
