| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] i [verb] a | 378 |
|
| 2 | when i [verb] a | 311 |
|
| 3 | [vb past] when i [verb] | 225 |
|
| 4 | [vb past] when [verb] a | 5 |
|
