| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [conj] [to-vb] | 290 |
|
| 2 | [verb] [verb] whether [to-vb] | 82 |
|
| 3 | [verb] [to-vb] [subord] [to-vb] | 79 |
|
| 4 | [verb] [to-vb] whether [verb] | 77 |
|
| 5 | [verb] [to-vb] whether [to-vb] | 73 |
|
