| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [det] [Wh det] | 1243 |
|
| 2 | be [det] issue | 52 |
|
| 3 | [det] issue [Wh det] | 50 |
|
| 4 | be issue [Wh det] | 12 |
|
