| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent [pron] [prep] [verb] | 697 |
|
| 2 | [adj] [pron] [prep] [verb] | 128 |
|
| 3 | [adj] prevent [pron] [prep] | 29 |
|
| 4 | [adj] prevent [pron] [verb] | 14 |
|
