| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [adv] difficult it | 6 |
|
| 2 | [adj] [adv] difficult it | 6 |
|
| 3 | [adj] how difficult it | 6 |
|
| 4 | [adj] how difficult it | 6 |
|
| 5 | [adj] [Wh adv] difficult it | 6 |
|
