| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have be [vb pp] [prep] [art] | 1161 |
|
| 2 | could [verb] be [vb pp] [prep] [art] | 196 |
|
| 3 | could [vb infin] be [vb pp] [prep] [art] | 196 |
|
| 4 | could have be [verb] [prep] [art] | 193 |
|
| 5 | could have be [vb pp] [prep] [art] | 186 |
|
| 6 | could have [be] [vb pp] [prep] [art] | 185 |
|
| 7 | could have be [vb pp] [prep] [art] | 185 |
|
