| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] prevent [pron] [prep] [v-ing] | 71 |
|
| 2 | [not/n't] prevent [pers pn] [prep] [v-ing] | 59 |
|
| 3 | [not/n't] [verb] him [prep] [v-ing] | 57 |
|
| 4 | [adv] prevent him [prep] [v-ing] | 38 |
|
| 5 | [not/n't] prevent him [prep] [verb] | 24 |
|
| 6 | [not/n't] prevent him [prep] [v-ing] | 24 |
|
| 7 | [not/n't] prevent he [prep] [v-ing] | 24 |
|
