| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] difficult [prep] [adj] [noun] | 9 |
|
| 2 | [adv] [adv] difficult [prep] [adj] [noun] | 9 |
|
| 3 | [adv] [adv] difficult for [adj] [noun] | 7 |
|
| 4 | [adv] [adv] difficult for [adj] [noun] | 7 |
|
| 5 | [adv] [adv] difficult [prep] [adj] [noun] | 7 |
|
| 6 | [adv] more difficult [prep] [adj] [noun] | 5 |
|
| 7 | [adv] [adv] difficult [prep] [adj] [noun sg] | 5 |
|
| 8 | [adv] more difficult [prep] [adj] [noun] | 5 |
|
