| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] [verb] [coord] [verb] | 486 |
|
| 2 | [adv] difficult [verb] [conj] [verb] | 64 |
|
| 3 | [adv] difficult [verb] [coord] [verb] | 61 |
|
