| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [subord] [verb] | 2115 |
|
| 2 | [verb] [adv] [subord] [to-vb] | 481 |
|
| 3 | [verb] [adv] [subord] prevent | 7 |
|
| 4 | [verb] [adv] [conj] to prevent | 5 |
|
| 5 | [verb] [adv] [subord] to prevent | 5 |
|
