| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be [vb pp] to be | 712 |
|
| 2 | has be [vb pp] to be | 280 |
|
| 3 | [Wh det] has be [vb pp] to | 110 |
|
| 4 | [Wh det] has [vb pp] to be | 58 |
|
