| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it difficult | 1488 |
|
| 2 | make it [adj] | 816 |
|
| 3 | make it difficult | 533 |
|
| 4 | make it [adj] | 517 |
|
| 5 | [vb infin] it difficult | 296 |
|
| 6 | make [pers pn] difficult | 74 |
|
| 7 | make [pron] difficult | 74 |
|
| 8 | make it difficult | 71 |
|
| 9 | make it difficult | 71 |
|
