| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when i [verb] to | 550 |
|
| 2 | [vb pp] when i [verb] | 131 |
|
| 3 | [vb pp] when [verb] to | 28 |
|
| 4 | [vb pp] i [verb] to | 14 |
|
