| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [modal v] not be [verb] | 272 |
|
| 2 | this could [adv] be [verb] | 97 |
|
| 3 | [adj] could not be [verb] | 79 |
|
| 4 | this could not be [verb] | 35 |
|
| 5 | this could [not/n't] be [verb] | 35 |
|
| 6 | this could not [be] [verb] | 28 |
|
