| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | might have been [noun] | 101 |
|
| 2 | might have been [noun] | 97 |
|
| 3 | might have been [noun sg] | 47 |
|
| 4 | might have been [noun prp] | 29 |
|
| 5 | might have been [noun pl] | 22 |
|
