| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] been [vb pp] this [noun sg] | 8 |
|
| 2 | [modal v] have been [vb pp] this [noun sg] | 8 |
|
| 3 | [modal v] [vb infin] been [vb pp] this [noun sg] | 8 |
|
| 4 | [modal v] have been [vb pp] this [noun sg] | 8 |
|
