| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [verb] for [noun] | 10 |
|
| 2 | may have been [verb] for [noun] | 10 |
|
| 3 | may have been [vb pp] for [noun] | 9 |
|
| 4 | may have been [verb] for [noun pl] | 5 |
|
| 5 | may have been [verb] for [noun sg] | 5 |
|
