| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [prep] [art] | 438 |
|
| 2 | [prep] [adj] hours [prep] [art] | 301 |
|
| 3 | a [adj] hours [prep] [art] | 69 |
|
| 4 | [prep] a [adj] hours [prep] | 58 |
|
| 5 | [prep] a [adj] hours [art] | 21 |
|
