| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it difficult [verb] | 1110 |
|
| 2 | [vb past] it difficult [verb] | 284 |
|
| 3 | make it difficult [verb] | 278 |
|
| 4 | made it [adj] [verb] | 210 |
|
| 5 | made it [adj] [verb] | 178 |
|
| 6 | made [pers pn] difficult [verb] | 54 |
|
| 7 | made [pron] difficult [verb] | 54 |
|
| 8 | made it difficult [verb] | 50 |
|
| 9 | made it difficult [verb] | 50 |
|
