| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [conj] [verb] [noun] | 277 |
|
| 2 | so [conj] [to-vb] [noun] | 244 |
|
| 3 | so [conj] prevent [noun] | 9 |
|
| 4 | so [conj] to prevent [noun] | 9 |
|
| 5 | [adv] [conj] to prevent [noun] | 9 |
|
| 6 | [adv] [conj] to prevent [noun] | 9 |
|
