| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] be prevent from | 17 |
|
| 2 | [modal v] [not/n't] be prevent from | 17 |
|
| 3 | can [not/n't] be prevent from | 8 |
|
| 4 | can [not/n't] be prevent from | 8 |
|
| 5 | [not/n't] be prevent from [verb] | 12 |
|
| 6 | [not/n't] be prevent from [v-ing] | 12 |
|
