| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun] [modal v] [det] [noun] | 24 |
|
| 2 | what [noun sg] [modal v] [det] [noun] | 19 |
|
| 3 | what extent [modal v] [adj] [noun] | 11 |
|
| 4 | [pron] extent [modal v] [det] [noun] | 7 |
|
| 5 | [Wh det] extent [modal v] [det] [noun] | 7 |
|
| 6 | what extent [modal v] [det] [noun] | 7 |
|
| 7 | what extent [modal v] [det] [noun] | 7 |
|
