| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [coord] [modal v] be [vb pp] | 33 |
|
| 2 | could [coord] [vb mod] be [vb pp] | 33 |
|
| 3 | could [coord] [modal v] be [vb pp] | 33 |
|
| 4 | could [coord] should be [vb pp] | 28 |
|
| 5 | could [coord] should be [vb pp] | 28 |
|
| 6 | could and [modal v] be [vb pp] | 21 |
|
| 7 | could or [modal v] be [vb pp] | 11 |
|
