| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [det] [vb mod] have been | 34 |
|
| 2 | [vb base] [det] [modal v] have been | 33 |
|
| 3 | [vb base] that [modal v] have been | 24 |
|
| 4 | think [det] [modal v] have been | 15 |
|
| 5 | [vb base] [det] would have been | 14 |
|
| 6 | [vb base] [det] would have been | 14 |
|
| 7 | [vb base] this [modal v] have been | 8 |
|
| 8 | [vb base] [det] must have been | 6 |
|
| 9 | [vb base] [det] must have been | 6 |
|
