| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] to be do | 45 |
|
| 2 | be seen to [be] do | 36 |
|
| 3 | be [vb pp] to [be] done | 24 |
|
| 4 | be [vb pp] to [be] doing | 21 |
|
