| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ought to have [vb pp] | 275 |
|
| 2 | [vb mod] to have known | 38 |
|
| 3 | [vb mod] to have done | 26 |
|
| 4 | [vb mod] to have had | 13 |
|
| 5 | [vb mod] to have gone | 13 |
|
| 6 | [vb mod] to have made | 10 |
|
| 7 | [vb mod] to have seen | 10 |
|
| 8 | [vb mod] to have told | 9 |
|
| 9 | [vb mod] to have guessed | 7 |
|
| 10 | [vb mod] to have said | 5 |
|
| 11 | used to have [vb pp] | 5 |
|
