| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [verb] [coord] | 6170 |
|
| 2 | [adj] [verb] [coord] | 3840 |
|
| 3 | difficult [verb] [conj] | 1093 |
|
| 4 | difficult [verb] [coord] | 376 |
|
