| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | make it difficult for [adj] | 26 |
|
| 2 | [verb] it difficult for [adj] | 16 |
|
| 3 | [verb] it difficult for [det] | 8 |
|
| 4 | [vb -s] it difficult for [adj] | 8 |
|
| 5 | makes it difficult for [adj] | 7 |
|
