| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [modal v] | 15136 |
|
| 2 | not [Wh det] [pron] | 810 |
|
| 3 | not [pron] [modal v] | 751 |
|
| 4 | not [Wh det] [modal v] | 22 |
|
