| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] it [adv] [verb] | 120 |
|
| 2 | [vb base] it [adv] difficult [verb] | 90 |
|
| 3 | i [vb base] it difficult [verb] | 57 |
|
| 4 | i [vb base] it [adv] difficult | 33 |
|
