| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adj] [noun] at | 2419 |
|
| 2 | [prep] a [adj] [noun pl] at | 79 |
|
| 3 | [prep] a [adj] hours [prep] | 58 |
|
| 4 | [prep] a [adj] hours [prep] | 58 |
|
| 5 | [prep] [art] [adj] hours at | 14 |
|
| 6 | [prep] [art] [adj] hours at | 14 |
|
| 7 | [prep] a [adj] hour at | 11 |
|
| 8 | [prep] a [adj] hours at | 8 |
|
| 9 | [prep] a [adj] hours at | 8 |
|
