| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what extent [vb mod] [noun] | 18 |
|
| 2 | what extent can [noun] | 9 |
|
| 3 | what extent [modal v] [noun pl] | 9 |
|
| 4 | what extent can [noun] | 9 |
|
| 5 | what extent [modal v] [noun sg] | 5 |
|
| 6 | what extent should [noun] | 5 |
|
| 7 | what extent should [noun] | 5 |
|
