| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [conj] a | 1639 |
|
| 2 | [verb] when a | 749 |
|
| 3 | [to-vb] when [art] | 245 |
|
| 4 | [to-vb] when [art] | 245 |
|
| 5 | [to-vb] when a | 52 |
|
