| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [conj] [subord] | 741 |
|
| 2 | to do so [conj] | 268 |
|
| 3 | to do so [subord] | 149 |
|
| 4 | to do [conj] [subord] | 28 |
|
