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