| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it for [art] [adj] | 308 |
|
| 2 | [verb] it difficult for [art] | 51 |
|
| 3 | [verb] it difficult for [adj] | 27 |
|
| 4 | it difficult for [art] [adj] | 10 |
|
