| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [det] hours [adj] | 27 |
|
| 2 | a few hours [adj] | 20 |
|
| 3 | a few hours [adj] | 20 |
|
| 4 | a [adj] hours [det] | 15 |
|
| 5 | a [adj] hours each | 12 |
|
| 6 | a [adj] hours each | 12 |
|
| 7 | a [adj] hours [adj] | 11 |
|
| 8 | a half hours [adj] | 7 |
|
| 9 | a half hours [adj] | 7 |
|
