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