| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on for about [art] hour | 5 |
|
| 2 | on for about a hour | 5 |
|
| 3 | on for about [art] hour | 5 |
|
| 4 | on for about an hour | 5 |
|
| 5 | on for about [art] hour | 5 |
|
