| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have been [vb pp] [art] [noun sg] | 6 |
|
| 2 | might [verb] been [vb pp] [art] [noun sg] | 6 |
|
| 3 | might [vb infin] been [vb pp] [art] [noun sg] | 6 |
|
| 4 | might have been [vb pp] [art] [noun sg] | 6 |
|
