| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [verb] [coord] [verb] | 81 |
|
| 2 | [adv] difficult [verb] [coord] [verb] | 59 |
|
| 3 | it difficult [verb] [coord] [verb] | 13 |
|
| 4 | it [adv] difficult [verb] [coord] | 10 |
|
| 5 | it [adv] difficult [verb] [verb] | 5 |
|
