| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why there [verb] [been] such | 5 |
|
| 2 | why there [verb] been such | 5 |
|
| 3 | why there [verb] [been] such | 5 |
|
| 4 | why there have [been] such | 5 |
|
