| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [verb] [det] | 305 |
|
| 2 | [modal v] have had [det] | 276 |
|
| 3 | may have [vb pp] [det] | 258 |
|
| 4 | may have had [adj] | 80 |
|
| 5 | may have have [det] | 46 |
|
| 6 | may [verb] had [det] | 45 |
|
