| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [vb mod] not be | 994 |
|
| 2 | and [modal v] not be | 994 |
|
| 3 | [conj] could not be | 266 |
|
| 4 | and could [adv] be | 238 |
|
| 5 | and could not [be] | 122 |
|
| 6 | and could not be | 122 |
|
