| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] to which [noun] | 686 |
|
| 2 | the extent [prep] which [noun] | 426 |
|
| 3 | the extent to which [noun] | 425 |
|
| 4 | the extent to which [noun] | 425 |
|
| 5 | [art] extent to which [noun] | 425 |
|
| 6 | the extent to [pron] [noun] | 425 |
|
| 7 | [art] extent to which [noun] | 425 |
|
| 8 | the extent to [Wh det] [noun] | 425 |
|
