| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [conj] [verb] | 12108 |
|
| 2 | [adv] difficult [verb] [conj] | 382 |
|
| 3 | difficult [verb] [conj] [verb] | 157 |
|
| 4 | [adv] difficult [conj] [verb] | 72 |
|
| 5 | [adv] difficult [verb] [verb] | 43 |
|
