| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [to-vb] been [art] [noun sg] | 5 |
|
| 2 | be [vb pp] [to-vb] [been] [art] [noun sg] | 5 |
|
| 3 | be [verb] to have [been] [art] [noun sg] | 5 |
|
