| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] a | 2424 |
|
| 2 | [verb] when a | 749 |
|
| 3 | [vb past] when [art] | 554 |
|
| 4 | [vb past] when [art] | 554 |
|
| 5 | [vb past] when a | 142 |
|
