| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] [vb -s] [pers pn] [adv] difficult | 5 |
|
| 2 | [coord] [vb -s] [pers pn] [adv] difficult | 5 |
|
| 3 | [coord] [vb -s] [pers pn] difficult [verb] | 5 |
|
| 4 | [coord] [vb -s] [pers pn] difficult [to-vb] | 5 |
|
