| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent he from [verb] | 34 |
|
| 2 | prevent he [prep] [verb] | 34 |
|
| 3 | prevent him [prep] [verb] | 34 |
|
| 4 | prevent he [prep] [v-ing] | 34 |
|
| 5 | prevent he from [verb] | 34 |
|
