| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but on [det] occasion | 64 |
|
| 2 | but on [det] occasion | 52 |
|
| 3 | but on this occasion | 44 |
|
| 4 | but on [det] occasions | 12 |
|
| 5 | but on each occasion | 5 |
|
