| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] what [art] [noun sg] | 433 |
|
| 2 | [adv] [modal v] [art] [noun sg] | 323 |
|
| 3 | what [modal v] [art] [noun sg] | 177 |
|
| 4 | [adv] what [modal v] [art] | 17 |
|
