| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [subord] [to-vb] | 1553 |
|
| 2 | [noun sg] [subord] [to-vb] | 1385 |
|
| 3 | [noun sg] so [subord] | 737 |
|
| 4 | [noun sg] so [to-vb] | 61 |
|
