| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] [art] [noun sg] | 1145 |
|
| 2 | might have [vb pp] [art] [noun sg] | 355 |
|
| 3 | might have been [art] [noun sg] | 190 |
|
| 4 | might have been [vb pp] [art] | 13 |
|
