| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | these [vb mod] have been | 53 |
|
| 2 | these [vb mod] have be | 53 |
|
| 3 | these [vb mod] have be | 52 |
|
| 4 | these may have be | 19 |
|
| 5 | these would have be | 14 |
|
| 6 | these could have be | 7 |
|
