| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [adv] [to-vb] | 1279 |
|
| 2 | [pers pn] difficult [to-vb] | 1142 |
|
| 3 | difficult [adv] [to-vb] | 101 |
|
| 4 | [pers pn] difficult [adv] | 16 |
|
