| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether [noun] [noun] [vb mod] | 129 |
|
| 2 | [to-vb] [noun] [noun] [vb mod] | 119 |
|
| 3 | [to-vb] whether [noun] [noun] | 79 |
|
| 4 | [to-vb] whether [noun] [vb mod] | 51 |
|
