| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [pron] [conj] | 10323 |
|
| 2 | to [pron] [subord] | 3060 |
|
| 3 | [prep] [pron] whether | 105 |
|
| 4 | to [pron] whether | 51 |
|
