| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] prevent [pron] [prep] [verb] | 125 |
|
| 2 | [adv] prevent [pron] [prep] [verb] | 52 |
|
| 3 | [adv] [adv] prevent [pron] [prep] | 7 |
|
