| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | issue [prep] whether [art] [noun sg] | 23 |
|
| 2 | issue of [subord] [art] [noun sg] | 23 |
|
| 3 | issue [prep] [subord] the [noun sg] | 16 |
|
| 4 | issue [prep] [subord] a [noun sg] | 6 |
|
