| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult [to-vb] [prep] [det] [noun] | 32 |
|
| 2 | [adv] difficult [verb] [prep] [det] [noun] | 32 |
|
| 3 | [adv] difficult [verb] [prep] [det] [noun] | 30 |
|
| 4 | [adv] difficult [verb] [prep] [det] [noun sg] | 25 |
|
| 5 | [adv] difficult [verb] [prep] this [noun] | 11 |
|
| 6 | very difficult [verb] [prep] [det] [noun] | 10 |
|
| 7 | very difficult [verb] [prep] [det] [noun] | 10 |
|
| 8 | [adv] difficult [verb] in [det] [noun] | 9 |
|
| 9 | [adv] difficult [verb] in [det] [noun] | 9 |
|
| 10 | [adv] difficult [verb] [prep] any [noun] | 9 |
|
| 11 | [adv] difficult [verb] [prep] [det] [noun pl] | 7 |
|
| 12 | [adv] difficult [verb] at [det] [noun] | 5 |
|
| 13 | [adv] difficult [verb] with [det] [noun] | 5 |
|
| 14 | [adv] difficult [verb] at [det] [noun] | 5 |
|
| 15 | [adv] difficult [verb] [prep] that [noun] | 5 |
|
| 16 | [adv] difficult [verb] with [det] [noun] | 5 |
|
