| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have be [adv] | 2965 |
|
| 2 | could [vb infin] be [adv] | 282 |
|
| 3 | could [verb] be [adv] | 282 |
|
| 4 | could have be [adv] | 255 |
|
| 5 | could have [be] [adv] | 249 |
|
