| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | previously been [vb pp] to be [adj] | 5 |
|
| 2 | previously be [vb pp] to be [adj] | 5 |
|
| 3 | previously [be] [vb pp] to be [adj] | 5 |
|
| 4 | previously [been] [vb pp] to be [adj] | 5 |
|
