| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] who could not be [verb] | 5 |
|
| 2 | [det] who could [not/n't] be [verb] | 5 |
|
| 3 | [det] who could [not/n't] be [vb pp] | 5 |
|
| 4 | those who could [not/n't] be [verb] | 5 |
|
