| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] whether [to-vb] [art] | 42 |
|
| 2 | to decide whether [to-vb] [art] | 37 |
|
| 3 | [to-vb] whether [to-vb] the | 29 |
|
| 4 | [to-vb] whether [to-vb] a | 8 |
|
| 5 | [to-vb] whether [to-vb] an | 5 |
|
