| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [vb pp] to [be] | 717 |
|
| 2 | [Wh det] be [vb pp] to [be] | 716 |
|
| 3 | [verb] [Wh det] be [vb pp] to | 110 |
|
| 4 | [verb] [Wh det] be to [be] | 84 |
|
