| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | police [vb base] [vb pp] for witnesses to | 6 |
|
| 2 | police [vb base] appealed for witnesses to | 6 |
|
| 3 | police [vb base] [vb pp] for witnesses to | 6 |
|
| 4 | police have [vb pp] for witnesses to | 6 |
|
