| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on for [adv] a | 23 |
|
| 2 | on for [adv] a | 18 |
|
| 3 | on for quite a | 8 |
|
| 4 | on for about a | 7 |
|
| 5 | on for [adv] an | 5 |
|
