| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] hours [prep] [noun sg] | 112 |
|
| 2 | [adv] a [adj] [prep] [noun sg] | 64 |
|
| 3 | a [adj] hours [prep] [noun sg] | 53 |
|
| 4 | [adv] a [adj] hours [prep] | 29 |
|
