| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on such [noun] | 628 |
|
| 2 | on [adj] topic | 221 |
|
| 3 | on [det] topic | 143 |
|
| 4 | [prep] such topic | 29 |
|
| 5 | on such topic | 15 |
|
