| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | question of a [noun sg] | 58 |
|
| 2 | of whether a [noun sg] | 51 |
|
| 3 | question of whether a | 34 |
|
| 4 | question of whether [noun sg] | 32 |
|
| 5 | question whether a [noun sg] | 21 |
|
