| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] be [vb pp] to [adj] | 16 |
|
| 2 | could not [be] [vb pp] to [adj] | 16 |
|
| 3 | could [not/n't] [be] [vb pp] to [det] | 10 |
|
| 4 | could [not/n't] [be] [vb pp] to [adj] | 5 |
|
