| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have be [vb pp] [prep] | 550 |
|
| 2 | [modal v] have be [vb pp] in | 458 |
|
| 3 | may have be [verb] in | 90 |
|
| 4 | may [verb] be [vb pp] in | 81 |
|
| 5 | may have [be] [vb pp] in | 77 |
|
