| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is difficult for [noun] | 10 |
|
| 2 | it is [adv] difficult for [noun] | 25 |
|
| 3 | it is [adv] difficult for [noun] | 24 |
|
| 4 | it is more difficult for [noun] | 5 |
|
| 5 | it is more difficult for [noun] | 5 |
|
| 6 | it is difficult for [art] [noun] | 22 |
|
| 7 | it is difficult for [art] [noun] | 22 |
|
| 8 | it is difficult for the [noun] | 15 |
|
| 9 | it is difficult for the [noun] | 15 |
|
| 10 | it is difficult for [adj] [noun] | 15 |
|
| 11 | it is difficult for [adj] [noun] | 9 |
|
| 12 | it is difficult for a [noun] | 7 |
|
| 13 | it is difficult for a [noun] | 6 |
|
| 14 | it is difficult for [det] [noun] | 6 |
|
| 15 | it is difficult for [noun] [verb] | 18 |
|
| 16 | it is difficult for [noun] [to-vb] | 17 |
|
| 17 | it is difficult for [noun] [prep] | 6 |
|
| 18 | it is difficult for [noun] [prep] | 6 |
|
