| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] [noun pl] ' | 137 |
|
| 2 | [prep] a [det] [noun] ' | 137 |
|
| 3 | [prep] a [det] hours ' | 14 |
|
| 4 | [prep] a [adj] hours ' | 14 |
|
| 5 | [prep] [art] [det] hours ' | 14 |
|
| 6 | [prep] a [det] hours ['s] | 14 |
|
| 7 | [prep] a [det] hours ' | 14 |
|
| 8 | [prep] a [det] hours [unc] | 14 |
|
| 9 | [prep] [art] [det] hours ' | 14 |
|
| 10 | [prep] a [det] hour ' | 14 |
|
