| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] be | 7505 |
|
| 2 | [modal v] never be | 2043 |
|
| 3 | [vb mod] never be | 2043 |
|
| 4 | could never be | 264 |
|
| 5 | could never [be] | 264 |
|
