| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | makes it difficult [prep] [art] | 14 |
|
| 2 | makes [pers pn] difficult [prep] [art] | 14 |
|
| 3 | makes [pron] difficult for [art] | 14 |
|
| 4 | makes it difficult [prep] [art] | 14 |
|
| 5 | makes [pron] difficult [prep] the | 11 |
|
