| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [subord] [to-vb] | 1553 |
|
| 2 | [vb base] so [subord] | 87 |
|
| 3 | [vb base] [subord] [to-vb] | 50 |
|
| 4 | [vb base] so [to-vb] | 9 |
|
