| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] to have been | 113 |
|
| 2 | be to have [been] | 113 |
|
| 3 | [was/were] to have [been] | 109 |
|
| 4 | was to have [been] | 102 |
|
| 5 | were to have [been] | 7 |
|
