| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] a [adj] threat to | 20 |
|
| 2 | [vb -s] a [adj] threat to | 20 |
|
| 3 | [vb -s] a [adj] threat to | 18 |
|
| 4 | poses a [adj] threat to | 10 |
|
| 5 | [vb -s] a major threat to | 5 |
|
| 6 | represents a [adj] threat to | 5 |
|
