| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] difficult [verb] and | 8 |
|
| 2 | [pron] [adv] difficult [to-vb] and | 8 |
|
| 3 | [pers pn] [adv] difficult [verb] and | 8 |
|
| 4 | it [adv] difficult [verb] and | 8 |
|
| 5 | [pron] [adv] difficult [verb] and | 8 |
|
