| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [vb pp] to [be] | 535 |
|
| 2 | [vb past] [adv] be [vb pp] to | 294 |
|
| 3 | [vb past] [adv] [vb pp] to [be] | 150 |
|
| 4 | [vb past] be [vb pp] to [be] | 122 |
|
| 5 | [vb past] [adv] be to [be] | 8 |
|
