| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] being [verb] | 178 |
|
| 2 | to prevent [pron] [prep] [verb] | 140 |
|
| 3 | to prevent [pron] being [verb] | 27 |
|
| 4 | to prevent [pron] [prep] being | 15 |
|
