| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] could [be] [vb pp] to | 158 |
|
| 2 | could [be] [vb pp] to [be] | 149 |
|
| 3 | [noun pl] could [be] [vb pp] [be] | 10 |
|
| 4 | [noun pl] [be] [vb pp] to [be] | 6 |
|
