| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [art] issue which | 12 |
|
| 2 | it be [art] issue [Wh det] | 12 |
|
| 3 | it be [art] issue [Wh det] | 12 |
|
| 4 | it be an issue [Wh det] | 12 |
|
| 5 | it be a issue [Wh det] | 12 |
|
| 6 | it be [art] issue [Wh det] | 12 |
|
| 7 | it is [art] issue [Wh det] | 5 |
|
