| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [verb] [to-vb] [art] | 7053 |
|
| 2 | [verb] [verb] whether [art] | 307 |
|
| 3 | [verb] whether [to-vb] [art] | 178 |
|
| 4 | [verb] [verb] whether [to-vb] | 82 |
|
