| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [to-vb] what could be [vb pp] | 8 |
|
| 2 | [to-vb] what could be [vb pp] [prep] | 9 |
|
| 3 | [to-vb] what could be [vb pp] [prep] | 9 |
|
| 4 | [to-vb] what could be [vb pp] [to-vb] | 5 |
|
| 5 | [to-vb] what could be [vb pp] [verb] | 5 |
|
