| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who could [not/n't] be [vb pp] | 42 |
|
| 2 | [Wh pn] could not be [vb pp] | 30 |
|
| 3 | [Wh pn] could n't be [vb pp] | 12 |
|
| 4 | [Wh pn] could [not/n't] be trusted | 7 |
|
| 5 | [Wh pn] could [not/n't] be bothered | 5 |
|
