| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [vb pp] to [be] | 148 |
|
| 2 | [not/n't] [be] [vb pp] to [be] | 144 |
|
| 3 | could [not/n't] [be] [vb pp] to | 90 |
|
