| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | difficult [verb] [conj] the [noun] | 109 |
|
| 2 | difficult [to-vb] [conj] the [noun] | 108 |
|
| 3 | difficult [verb] [conj] the [noun sg] | 75 |
|
| 4 | difficult [verb] [subord] the [noun] | 53 |
|
| 5 | difficult [verb] that the [noun] | 41 |
|
| 6 | difficult [verb] that the [noun] | 41 |
|
| 7 | difficult [verb] [that] the [noun] | 41 |
|
| 8 | difficult [verb] [conj] the [noun pl] | 29 |
|
| 9 | difficult [verb] whether the [noun] | 19 |
|
| 10 | difficult [verb] whether the [noun] | 19 |
|
| 11 | difficult [verb] [coord] the [noun] | 15 |
|
| 12 | difficult believe [conj] the [noun] | 11 |
|
| 13 | difficult [verb] and the [noun] | 11 |
|
| 14 | difficult [verb] and the [noun] | 11 |
|
| 15 | difficult argue [conj] the [noun] | 11 |
|
| 16 | difficult to believe [conj] the [noun] | 11 |
|
| 17 | difficult to argue [conj] the [noun] | 11 |
|
| 18 | difficult [verb] because the [noun] | 8 |
|
| 19 | difficult [verb] because the [noun] | 8 |
|
| 20 | difficult [verb] if the [noun] | 8 |
|
| 21 | difficult [verb] if the [noun] | 8 |
|
| 22 | difficult to determine [conj] the [noun] | 6 |
|
| 23 | difficult to achieve [conj] the [noun] | 6 |
|
| 24 | difficult determine [conj] the [noun] | 6 |
|
| 25 | difficult achieve [conj] the [noun] | 6 |
|
| 26 | difficult to establish [conj] the [noun] | 5 |
|
| 27 | difficult establish [conj] the [noun] | 5 |
|
| 28 | difficult [verb] [conj] the [noun prp] | 5 |
|
