| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [vb pp] for [noun] | 970 |
|
| 2 | could [be] [vb pp] for [noun] | 141 |
|
| 3 | could [verb] [be] [vb pp] for | 59 |
|
| 4 | could [verb] [vb pp] for [noun] | 13 |
|
| 5 | could [verb] [be] [vb pp] [noun] | 6 |
|
