| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [to-vb] at this | 9 |
|
| 2 | important [to-vb] at this | 8 |
|
| 3 | likely [to-vb] at this | 6 |
|
| 4 | able [to-vb] at this | 5 |
|
