| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] not been | 4396 |
|
| 2 | [Wh det] [pron] [verb] not | 1767 |
|
| 3 | [Wh det] [pron] [verb] been | 1661 |
|
| 4 | [Wh det] [verb] not been | 373 |
|
