| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when i [verb] [prep] | 1580 |
|
| 2 | [vb pp] when [verb] [prep] | 176 |
|
| 3 | [vb pp] when i [verb] | 131 |
|
| 4 | [vb pp] i [verb] [prep] | 47 |
|
