| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [to-vb] [art] | 2016 |
|
| 2 | so [subord] [to-vb] | 1553 |
|
| 3 | so [subord] [art] | 605 |
|
| 4 | so [to-vb] [art] | 107 |
|
