| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [verb] | 234125 |
|
| 2 | [verb] [pron] difficult | 1544 |
|
| 3 | [pron] difficult [verb] | 1153 |
|
| 4 | [verb] difficult [verb] | 297 |
|
