| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | on [pron] had been | 15 |
|
| 2 | on [Wh det] had be | 8 |
|
| 3 | on what had be | 7 |
|
| 4 | on what had be | 7 |
|
| 5 | on [pers pn] had be | 6 |
|
