| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] be | 7505 |
|
| 2 | could [adv] be | 4064 |
|
| 3 | [vb mod] ever be | 418 |
|
| 4 | [modal v] ever be | 418 |
|
| 5 | could ever be | 80 |
|
| 6 | could ever be | 80 |
|
| 7 | could ever [be] | 80 |
|
