| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] be [verb] | 2289 |
|
| 2 | could [not/n't] be [vb pp] | 2251 |
|
| 3 | [modal v] [not/n't] be assumed | 106 |
|
| 4 | [vb mod] [not/n't] be assumed | 106 |
|
| 5 | could [adv] be assumed | 9 |
|
| 6 | could [not/n't] [be] assumed | 7 |
|
| 7 | could [not/n't] be assume | 7 |
|
| 8 | could [not/n't] be assumed | 7 |
|
