| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have be of | 56 |
|
| 2 | [vb mod] have been of | 55 |
|
| 3 | would have be of | 22 |
|
| 4 | may have be of | 15 |
|
| 5 | could have be of | 9 |
|
| 6 | must have be of | 5 |
|
