| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] it difficult [prep] | 12 |
|
| 2 | [verb] [vb pp] it difficult [prep] | 12 |
|
| 3 | has [vb pp] it difficult [prep] | 9 |
|
| 4 | [vb -s] [vb pp] it difficult [prep] | 9 |
|
| 5 | [vb pp] it [adv] difficult [prep] | 13 |
|
| 6 | [vb pp] it [adv] difficult [prep] | 13 |
|
| 7 | [vb pp] it more difficult [prep] | 5 |
|
| 8 | [vb pp] it more difficult [prep] | 5 |
|
| 9 | [vb pp] it difficult [verb] [prep] | 12 |
|
| 10 | [vb pp] it difficult [to-vb] [prep] | 12 |
|
| 11 | [vb pp] it difficult [prep] [noun] | 6 |
|
