| No | Pattern | Freq | Relations |
|---|---|---|---|
| 31 | on whether [to-vb] [pers pn] | 5 |
|
| 32 | on whether [to-vb] [coord] | 5 |
|
| 33 | on whether [to-vb] or | 5 |
|
| 34 | on whether [to-vb] or | 5 |
|
