| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [pers pn] [vb past] not been | 20 |
|
| 2 | why [pron] had not been | 19 |
|
| 3 | why [pron] [vb past] not been | 13 |
|
| 4 | why he [vb past] not been | 7 |
|
| 5 | why he [vb past] not been | 7 |
|
| 6 | why [pron] [vb past] n't been | 7 |
|
