| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | eight and a [det] hours | 6 |
|
| 2 | eight and [art] [det] hours | 6 |
|
| 3 | eight and [art] [det] hours | 6 |
|
| 4 | eight and [art] half hours | 6 |
|
