| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [prep] [conj] [verb] | 363 |
|
| 2 | [verb] [prep] when [verb] | 61 |
|
| 3 | [to-vb] [prep] [subord] [verb] | 43 |
|
| 4 | [to-vb] [prep] when [verb] | 22 |
|
