| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [pron] [modal v] [adv] | 2219 |
|
| 2 | [Wh det] [pron] [modal v] [adv] | 1200 |
|
| 3 | what [pron] [modal v] [adv] | 718 |
|
| 4 | what [pron] [modal v] [adv] | 391 |
|
