| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [adv] difficult [verb] | 377 |
|
| 2 | [verb] [pron] [adv] [verb] [coord] | 191 |
|
| 3 | [verb] [pron] difficult [verb] [coord] | 22 |
|
| 4 | [pron] [adv] difficult [verb] [coord] | 10 |
|
| 5 | [verb] [pron] [adv] difficult [coord] | 10 |
|
