| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be more difficult [subord] [noun sg] | 5 |
|
| 2 | [be] more difficult [subord] [noun sg] | 5 |
|
| 3 | more difficult [verb] [subord] [noun sg] | 7 |
|
| 4 | more difficult [to-vb] [subord] [noun sg] | 7 |
|
| 5 | more difficult [subord] [art] [noun sg] | 25 |
|
| 6 | more difficult [subord] [art] [noun sg] | 25 |
|
| 7 | more difficult [subord] the [noun sg] | 16 |
|
| 8 | more difficult [subord] the [noun sg] | 16 |
|
| 9 | more difficult [subord] a [noun sg] | 9 |
|
| 10 | more difficult [subord] a [noun sg] | 7 |
|
