| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] whether a [noun sg] | 188 |
|
| 2 | about whether [art] [noun sg] | 85 |
|
| 3 | about [conj] a [noun sg] | 22 |
|
| 4 | about [subord] a [noun sg] | 18 |
|
| 5 | about whether a [noun] | 18 |
|
| 6 | about whether a [noun sg] | 17 |
|
