| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] be [vb pp] to be | 23 |
|
| 2 | this [vb mod] [be] [vb pp] to be | 23 |
|
| 3 | this may [be] [vb pp] to be | 7 |
|
| 4 | this can [be] [vb pp] to be | 7 |
|
