| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on this occasion | 601 |
|
| 2 | on that occasion | 185 |
|
| 3 | on another occasion | 128 |
|
| 4 | on each occasion | 106 |
|
| 5 | on any occasion | 11 |
|
| 6 | on either occasion | 5 |
|
