| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] him [prep] [v-ing] | 915 |
|
| 2 | prevent [pron] [prep] [v-ing] | 697 |
|
| 3 | prevent [pers pn] [prep] [v-ing] | 645 |
|
| 4 | prevent him [prep] [verb] | 181 |
|
| 5 | prevent he [prep] [v-ing] | 181 |
|
