| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | make [art] problem worse | 8 |
|
| 2 | [vb infin] [art] problem worse | 8 |
|
| 3 | [vb infin] the problem worse | 8 |
|
| 4 | [vb infin] the problem worse | 8 |
|
