| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] be | 7500 |
|
| 2 | [vb mod] always be | 1728 |
|
| 3 | [modal v] always be | 1728 |
|
| 4 | could always be | 44 |
|
| 5 | could always [be] | 44 |
|
| 6 | could always be | 44 |
|
| 7 | could always [be] | 44 |
|
