| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] [conj] prevent | 10 |
|
| 2 | [adv] [adv] [conj] prevent | 8 |
|
| 3 | [adv] [adv] [subord] prevent | 7 |
|
| 4 | [adv] [adv] [conj] to prevent | 6 |
|
| 5 | [adv] [adv] as prevent | 6 |
|
| 6 | [adv] [adv] as prevent | 6 |
|
