| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [to-vb] | 43908 |
|
| 2 | [pron] [vb base] whether | 439 |
|
| 3 | [vb base] whether [to-vb] | 41 |
|
| 4 | [pron] whether [to-vb] | 7 |
|
