| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [verb] [pron] [prep] [verb] | 611 |
|
| 2 | [noun sg] [to-vb] [pron] [prep] [verb] | 205 |
|
| 3 | [noun sg] prevent [pron] [prep] [verb] | 119 |
|
| 4 | [noun] to prevent [pron] [prep] [verb] | 53 |
|
