| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent [pron] [prep] [verb] | 697 |
|
| 2 | [pron] prevent [pron] [prep] | 73 |
|
| 3 | [pron] prevent [pron] [verb] | 33 |
|
| 4 | [pron] [pron] [prep] [verb] | 28 |
|
