| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not be [verb] | 2289 |
|
| 2 | not [pron] be [verb] | 372 |
|
| 3 | could not [pron] [verb] | 345 |
|
| 4 | 126 |
|
|
| 5 | could not [pron] be | 33 |
|
