| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [prep] [noun] | 36 |
|
| 2 | [vb mod] have been for [noun] | 17 |
|
| 3 | [modal v] have been for [noun] | 17 |
|
| 4 | may have been for [noun] | 5 |
|
| 5 | may have been for [noun] | 5 |
|
| 6 | may have be for [noun] | 5 |
|
| 7 | may [verb] been for [noun] | 5 |
|
| 8 | may have [be] for [noun] | 5 |
|
| 9 | may [vb infin] been for [noun] | 5 |
|
| 10 | may have [been] for [noun] | 5 |
|
