| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] [verb] [subord] | 1450 |
|
| 2 | [pron] [adv] difficult [verb] | 400 |
|
| 3 | [adv] difficult [verb] [subord] | 196 |
|
| 4 | [pron] [adv] difficult [subord] | 33 |
|
| 5 | [pron] difficult [verb] [subord] | 18 |
|
