| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] could [be] [vb pp] | 8559 |
|
| 2 | could [be] [vb pp] to | 869 |
|
| 3 | [noun] [be] [vb pp] to | 327 |
|
| 4 | [noun] could [be] to | 11 |
|
