| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | more [adj] [noun sg] | 17151 |
|
| 2 | [adv] difficult [noun sg] | 826 |
|
| 3 | [adv] difficult [noun sg] | 820 |
|
| 4 | more difficult [noun] | 207 |
|
| 5 | more difficult [noun sg] | 137 |
|
