| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [verb] | 4886 |
|
| 2 | may have [vb pp] | 4127 |
|
| 3 | [vb mod] have used | 190 |
|
| 4 | [modal v] have used | 190 |
|
| 5 | may have use | 33 |
|
| 6 | may have used | 25 |
|
| 7 | may [verb] used | 25 |
|
