| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have not been | 331 |
|
| 2 | they have not been | 272 |
|
| 3 | [Wh det] they have been | 265 |
|
| 4 | [Wh det] they have not | 45 |
|
