| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] to prevent [pron] [prep] [verb] | 8 |
|
| 2 | be [adj] to prevent [pron] [prep] [verb] | 8 |
|
| 3 | [adj] [noun] to prevent [pron] [prep] [verb] | 8 |
|
| 4 | [adj] [noun pl] to prevent [pron] [prep] [verb] | 5 |
|
