| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [verb] [pron] [prep] [verb] | 516 |
|
| 2 | [conj] prevent [pron] [prep] [verb] | 77 |
|
| 3 | [coord] prevent [pron] [prep] [verb] | 44 |
|
