| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | issue of whether a [noun sg] | 6 |
|
| 2 | issue of whether a [noun sg] | 6 |
|
| 3 | issue [prep] whether a [noun sg] | 6 |
|
| 4 | issue [prep] whether a [noun sg] | 6 |
|
