| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | more [adj] [subord] [noun sg] | 565 |
|
| 2 | more difficult [subord] [noun] | 25 |
|
| 3 | [adv] difficult [subord] [noun sg] | 12 |
|
| 4 | [adv] difficult [subord] [noun sg] | 12 |
|
| 5 | more difficult [conj] [noun sg] | 11 |
|
| 6 | more difficult [subord] [noun sg] | 10 |
|
