| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [vb pp] to [adj] | 176 |
|
| 2 | not [be] [vb pp] to [adj] | 147 |
|
| 3 | could not [be] [vb pp] to | 77 |
|
| 4 | could not [be] [vb pp] [adj] | 39 |
|
