| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not prevent [pers pn] from [v-ing] | 42 |
|
| 2 | not prevent him [prep] [v-ing] | 20 |
|
| 3 | not prevent them [prep] [v-ing] | 6 |
|
| 4 | not prevent you [prep] [v-ing] | 6 |
|
