| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb mod] [verb] | 18418 |
|
| 2 | [Wh det] [modal v] [verb] | 18418 |
|
| 3 | [pron] may [verb] | 17062 |
|
| 4 | [Wh det] may [verb] | 2030 |
|
