| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [verb] to | 1645 |
|
| 2 | [vb past] it [verb] to | 174 |
|
| 3 | [vb past] when it [verb] | 64 |
|
| 4 | [vb past] when [verb] to | 5 |
|
