| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] could have be [vb pp] | 65 |
|
| 2 | that [vb mod] have be [vb pp] | 38 |
|
| 3 | that [modal v] have be [vb pp] | 38 |
|
| 4 | that could [verb] be [vb pp] | 14 |
|
| 5 | that could have [be] [vb pp] | 14 |
|
| 6 | that could have be [vb pp] | 14 |
|
| 7 | that could have be [verb] | 14 |
|
