| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] extent be [noun] | 17 |
|
| 2 | what extent be [noun] | 17 |
|
| 3 | [pron] extent be [noun] | 17 |
|
| 4 | what extent be [noun] | 17 |
|
| 5 | [pron] extent be [noun sg] | 10 |
|
| 6 | [pron] extent is [noun] | 8 |
|
| 7 | [pron] extent are [noun] | 8 |
|
| 8 | [pron] extent be [noun pl] | 6 |
|
