| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have be [vb pp] [prep] | 505 |
|
| 2 | could have be [vb pp] [prep] | 505 |
|
| 3 | [vb mod] have be [vb pp] for | 233 |
|
| 4 | [modal v] have be [vb pp] for | 233 |
|
| 5 | could have be [verb] for | 67 |
|
| 6 | could [vb infin] be [vb pp] for | 59 |
|
| 7 | could have be [vb pp] for | 59 |
|
| 8 | could [verb] be [vb pp] for | 59 |
|
| 9 | could have be [vb pp] for | 58 |
|
| 10 | could have be [vb pp] for | 58 |
|
| 11 | could have [be] [vb pp] for | 58 |
|
