| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] [vb pp] to [be] | 201 |
|
| 2 | could [be] [vb pp] to [be] | 149 |
|
| 3 | could [adv] [be] [vb pp] to | 141 |
|
