| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which [verb] to [be] | 838 |
|
| 2 | issue [pron] [verb] to [be] | 31 |
|
| 3 | issue which [verb] to [be] | 28 |
|
| 4 | issue [Wh det] [verb] to [be] | 28 |
|
| 5 | issue which [verb] [prep] [be] | 28 |
|
