| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | whether [pron] [vb mod] [noun] | 8 |
|
| 2 | whether [pron] [modal v] [noun] | 8 |
|
| 3 | whether [pers pn] [modal v] [noun] | 8 |
|
| 4 | whether [pron] [modal v] [noun sg] | 7 |
|
