| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [prep] | 42200 |
|
| 2 | [vb past] occur [prep] | 26 |
|
| 3 | [pron] occur [prep] | 16 |
|
| 4 | [vb past] [pron] occur | 13 |
|
