| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [noun] | 110 |
|
| 2 | may have been [noun] | 110 |
|
| 3 | may have been [noun pl] | 42 |
|
| 4 | may have been [noun sg] | 41 |
|
| 5 | may have been [noun prp] | 26 |
|
| 6 | may have been part | 9 |
|
| 7 | may have been part | 9 |
|
