| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent or [vb infin] [art] [noun] | 9 |
|
| 2 | prevent or [vb infin] [art] [noun] | 9 |
|
| 3 | prevent or [vb infin] the [noun] | 9 |
|
| 4 | prevent or [vb infin] the [noun] | 9 |
|
| 5 | prevent or [vb infin] [adj] [noun] | 5 |
|
