| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [prep] a [det] [noun] | 349 |
|
| 2 | [noun pl] [prep] a [det] [noun pl] | 264 |
|
| 3 | [noun] [prep] a [det] hours | 105 |
|
| 4 | [noun pl] [prep] a [det] hour | 20 |
|
| 5 | [noun pl] [prep] [art] [det] hours | 20 |
|
| 6 | [noun pl] [prep] a [adj] hours | 19 |
|
