| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [prep] [verb] [art] | 219 |
|
| 2 | prevent it [prep] [verb] | 79 |
|
| 3 | prevent [prep] [verb] [art] | 62 |
|
| 4 | prevent it [verb] [art] | 9 |
|
