| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [vb pp] to [be] | 149 |
|
| 2 | [not/n't] [be] [vb pp] to [be] | 125 |
|
| 3 | could [not/n't] [be] [vb pp] to | 90 |
|
| 4 | could [not/n't] [be] [vb pp] [be] | 7 |
|
