| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [adj] [noun sg] | 27140 |
|
| 2 | [prep] [adj] hours [adj] [noun sg] | 31 |
|
| 3 | a [adj] hours [adj] [noun sg] | 17 |
|
| 4 | [prep] a [adj] hours [adj] | 9 |
|
| 5 | [prep] a [adj] hours [noun sg] | 7 |
|
