| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which [verb] it | 90 |
|
| 2 | [prep] which [to-vb] it | 58 |
|
| 3 | [prep] [pron] to do it | 50 |
|
| 4 | [prep] which to do [pron] | 14 |
|
| 5 | [prep] [Wh det] to do it | 11 |
|
| 6 | [prep] which do it | 11 |
|
| 7 | [prep] which to do it | 11 |
|
