| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] and [verb] | 16464 |
|
| 2 | and when [verb] | 147 |
|
| 3 | [to-vb] when [verb] | 39 |
|
| 4 | [to-vb] and when | 30 |
|
