| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent [pron] [prep] be [verb] | 5 |
|
| 2 | prevent [pron] [prep] [be] [vb pp] | 5 |
|
| 3 | prevent [pron] from [be] [verb] | 5 |
|
| 4 | prevent [pron] [prep] [being] [verb] | 5 |
|
| 5 | prevent [pron] [prep] being [verb] | 5 |
|
