| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to what extent [modal v] [noun pl] | 9 |
|
| 2 | to what extent [modal v] [noun pl] | 9 |
|
| 3 | [prep] what extent [modal v] [noun pl] | 9 |
|
| 4 | [prep] what extent [modal v] [noun pl] | 9 |
|
| 5 | what extent [modal v] [adj] [noun pl] | 7 |
|
| 6 | what extent [modal v] [det] [noun pl] | 5 |
|
| 7 | what extent [modal v] these [noun pl] | 5 |
|
| 8 | what extent [modal v] these [noun pl] | 5 |
|
