| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not [verb] be | 303 |
|
| 2 | he [modal v] not [verb] be | 178 |
|
| 3 | he could [adv] [verb] be | 72 |
|
| 4 | he could not [verb] [be] | 51 |
|
