| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [be] [verb] [verb] | 211 |
|
| 2 | could not [be] [vb pp] [verb] | 208 |
|
| 3 | [modal v] not [be] said [verb] | 65 |
|
| 4 | could [adv] [be] said [verb] | 35 |
|
| 5 | could not [be] say [verb] | 21 |
|
