| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | issues [vb pp] are | 22 |
|
| 2 | issues raised are | 14 |
|
| 3 | issues raise are | 14 |
|
| 4 | issues involve are | 5 |
|
| 5 | issues involved are | 5 |
|
