| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to help [vb infin] [adj] problem | 8 |
|
| 2 | [to-vb] [vb infin] [det] problem | 6 |
|
| 3 | [to-vb] [vb infin] [adj] problems | 5 |
|
