| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | extent to which [adj] [noun] | 299 |
|
| 2 | [noun] to which these [noun] | 45 |
|
| 3 | extent [prep] which these [noun] | 24 |
|
| 4 | extent to [pron] these [noun] | 24 |
|
| 5 | extent to which these [noun] | 24 |
|
| 6 | extent to [Wh det] these [noun] | 24 |
|
