| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent [pron] [prep] [verb] | 697 |
|
| 2 | [coord] [pron] [prep] [verb] | 74 |
|
| 3 | [coord] prevent [pron] [prep] | 52 |
|
| 4 | [coord] prevent [pron] [verb] | 27 |
|
| 5 | [coord] prevent [prep] [verb] | 11 |
|
