| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] [adv] prevent | 9 |
|
| 2 | [adv] [coord] [adv] prevent | 8 |
|
| 3 | [adv] and [adv] prevent | 7 |
|
| 4 | [adv] and [adv] prevent | 7 |
|
