| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [be] [vb pp] to | 90 |
|
| 2 | [not/n't] [be] [vb pp] to [adj] | 86 |
|
| 3 | could [be] [vb pp] to [adj] | 78 |
|
| 4 | could [not/n't] [be] [vb pp] [adj] | 39 |
|
