| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [noun] [Wh det] could not be | 7 |
|
| 2 | of [noun sg] [Wh det] could not be | 5 |
|
| 3 | of [Wh det] could not be [vb pp] | 6 |
|
| 4 | of [Wh det] could not be [verb] | 6 |
|
