| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | prevent [coord] [vb infin] | 57 |
|
| 2 | to prevent [conj] [vb infin] | 50 |
|
| 3 | prevent or [vb infin] | 40 |
|
| 4 | prevent or [vb infin] | 40 |
|
| 5 | prevent and [vb infin] | 16 |
|
| 6 | prevent and [vb infin] | 16 |
|
| 7 | prevent [conj] detect | 7 |
|
| 8 | prevent [conj] [vb infin] | 7 |
|
| 9 | prevent [conj] reduce | 5 |
|
