| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] on several occasion | 7 |
|
| 2 | [pers pn] [vb past] on several occasion | 6 |
|
| 3 | [vb past] [vb pp] on several occasion | 5 |
|
| 4 | [vb past] [verb] on several occasion | 5 |
|
| 5 | [vb past] on several occasion [verb] | 7 |
|
