| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [to-vb] [prep] [art] [noun sg] | 619 |
|
| 2 | whether [verb] [prep] [art] [noun sg] | 96 |
|
| 3 | whether [to-vb] [prep] [art] [noun] | 56 |
|
