| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what extent [vb base] [noun] | 12 |
|
| 2 | [Wh det] extent [vb base] [noun] | 12 |
|
| 3 | [pron] extent [vb base] [noun] | 12 |
|
| 4 | what extent [vb base] [noun] | 12 |
|
| 5 | [pron] extent do [noun] | 8 |
|
| 6 | [pron] extent [vb base] [noun pl] | 8 |
|
