| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] to prevent [adj] | 22 |
|
| 2 | [adv] to prevent [det] | 22 |
|
| 3 | [adv] to prevent any | 11 |
|
| 4 | [adv] to prevent any | 11 |
|
| 5 | enough to prevent [adj] | 9 |
|
| 6 | [adv] to prevent this | 6 |
|
| 7 | [adv] to prevent this | 6 |
|
