| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [vb pp] to [adj] | 78 |
|
| 2 | could not [be] [vb pp] to | 77 |
|
| 3 | not [be] [vb pp] to [adj] | 68 |
|
| 4 | could not [be] [vb pp] [adj] | 30 |
|
