| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] extent [vb mod] [noun] | 18 |
|
| 2 | what extent [modal v] [noun] | 18 |
|
| 3 | [Wh det] extent [modal v] [noun] | 18 |
|
| 4 | [Wh det] extent [modal v] [noun pl] | 9 |
|
| 5 | [Wh det] extent can [noun] | 9 |
|
| 6 | [Wh det] extent can [noun] | 9 |
|
| 7 | [Wh det] extent should [noun] | 5 |
|
| 8 | [Wh det] extent should [noun] | 5 |
|
| 9 | [Wh det] extent [modal v] [noun sg] | 5 |
|
