| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | extent [prep] which the [adj] | 105 |
|
| 2 | extent to which the [adj] | 105 |
|
| 3 | extent [prep] which the [adj] | 105 |
|
| 4 | extent [prep] which the [adj] | 95 |
|
| 5 | extent [prep] which the british | 5 |
|
| 6 | extent [prep] which the british | 5 |
|
