| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [be] [vb pp] if | 11 |
|
| 2 | could not be [vb pp] if | 11 |
|
| 3 | could not be [vb pp] if | 11 |
|
| 4 | could not [be] [vb pp] if | 7 |
|
