| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] be [adv] | 7028 |
|
| 2 | [modal v] [adv] be [adv] | 7028 |
|
| 3 | could [adv] be [adv] | 592 |
|
| 4 | could [adv] [be] [adv] | 592 |
|
| 5 | could [adv] [be] [adv] | 591 |
|
| 6 | could [adv] be [adv] | 591 |
|
