| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [vb pp] to [be] [art] | 67 |
|
| 2 | [Wh det] 's [vb pp] to [be] | 16 |
|
| 3 | [Wh det] 's [vb pp] [be] [art] | 8 |
|
