| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] issue [be] the | 24 |
|
| 2 | issue [be] whether the | 22 |
|
| 3 | [prep] issue [be] whether | 15 |
|
| 4 | [prep] [be] whether the | 6 |
|
