| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | make it difficult for he [to-vb] | 15 |
|
| 2 | [verb] it difficult for he [to-vb] | 15 |
|
| 3 | made it difficult for he [to-vb] | 7 |
|
| 4 | [vb past] it difficult for he [to-vb] | 7 |
|
| 5 | it [be] difficult for he [to-vb] | 10 |
|
| 6 | it be difficult for he [to-vb] | 10 |
|
| 7 | it was difficult for he [to-vb] | 6 |
|
| 8 | it [was/were] difficult for he [to-vb] | 6 |
|
