| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] how [adj] | 1060 |
|
| 2 | [noun sg] how [adj] | 716 |
|
| 3 | [noun sg] [adv] difficult | 293 |
|
| 4 | [noun] how difficult | 10 |
|
| 5 | [noun sg] how difficult | 7 |
|
