| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] to | 21892 |
|
| 2 | [subord] to | 9751 |
|
| 3 | whether [prep] | 1442 |
|
| 4 | whether [prep] | 1442 |
|
| 5 | whether to | 93 |
|
| 6 | whether to | 93 |
|
