| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [conj] [verb] [noun sg] | 183 |
|
| 2 | so [conj] [to-vb] [noun sg] | 165 |
|
| 3 | so [conj] to prevent [noun] | 9 |
|
| 4 | so [conj] prevent [noun sg] | 6 |
|
| 5 | [adv] [conj] to prevent [noun sg] | 6 |
|
