| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | more difficult [verb] [art] | 95 |
|
| 2 | more [subord] [verb] [art] | 62 |
|
| 3 | more difficult [subord] [art] | 34 |
|
| 4 | more difficult [subord] [verb] | 24 |
|
| 5 | difficult [subord] [verb] [art] | 11 |
|
