| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | made it [adj] for [pron] [to-vb] | 77 |
|
| 2 | [verb] it difficult for [pron] [to-vb] | 61 |
|
| 3 | make it difficult for [pron] [to-vb] | 60 |
|
| 4 | [vb past] it difficult for [pron] [to-vb] | 26 |
|
| 5 | made it difficult for [pron] [verb] | 26 |
|
| 6 | made it difficult [prep] [pron] [to-vb] | 25 |
|
| 7 | made [pron] difficult for [pron] [to-vb] | 25 |
|
| 8 | made [pers pn] difficult for [pron] [to-vb] | 25 |
|
| 9 | made it difficult for [pron] [to-vb] | 25 |
|
