| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [adj] occasion | 3031 |
|
| 2 | on [det] occasion | 1825 |
|
| 3 | on several [noun] | 476 |
|
| 4 | [prep] several occasion | 292 |
|
| 5 | [prep] several occasion | 292 |
|
| 6 | on several occasion | 287 |
|
| 7 | on several occasion | 287 |
|
