| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [noun] [verb] | 10546 |
|
| 2 | when [noun] [verb] | 8916 |
|
| 3 | [to-vb] when [verb] | 179 |
|
| 4 | [to-vb] when [noun] | 172 |
|
