| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] difficult [coord] | 12 |
|
| 2 | [pron] [adv] difficult and | 11 |
|
| 3 | [pers pn] [adv] difficult [coord] | 11 |
|
| 4 | it [adv] difficult [coord] | 10 |
|
| 5 | it [adv] difficult [coord] | 10 |
|
