| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] [adj] hours [prep] | 92 |
|
| 2 | [adv prt] [prep] a [adj] [prep] | 61 |
|
| 3 | [prep] a [adj] hours [prep] | 58 |
|
| 4 | [adv prt] [prep] a [adj] hours | 17 |
|
