| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [be] [verb] | 1911 |
|
| 2 | could not [be] [vb pp] | 1895 |
|
| 3 | [vb mod] not [be] assumed | 105 |
|
| 4 | [modal v] not [be] assumed | 105 |
|
| 5 | could [adv] [be] assumed | 9 |
|
| 6 | could not [be] assumed | 7 |
|
| 7 | could [not/n't] [be] assumed | 7 |
|
| 8 | could not [be] assume | 7 |
|
| 9 | could not [be] assumed | 7 |
|
