| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] [adv] [verb] | 1123 |
|
| 2 | prevent [pron] [prep] [verb] | 697 |
|
| 3 | prevent [pron] [prep] [adv] | 24 |
|
| 4 | prevent [prep] [adv] [verb] | 11 |
|
| 5 | prevent [pron] [adv] [verb] | 9 |
|
