| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] on | 51120 |
|
| 2 | [adv] on | 28908 |
|
| 3 | perhaps [prep] | 2381 |
|
| 4 | perhaps [prep] | 2381 |
|
| 5 | perhaps on | 104 |
|
| 6 | perhaps on | 104 |
|
