| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] it difficult [verb] [coord] [vb infin] | 13 |
|
| 2 | find it difficult [verb] [coord] [vb infin] | 10 |
|
| 3 | it [adv] difficult [verb] [coord] [vb infin] | 8 |
|
| 4 | it [adv] difficult [verb] [coord] [vb infin] | 8 |
|
