| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] difficult [to-vb] [adj] [noun] [prep] | 97 |
|
| 2 | be difficult [to-vb] [adj] [noun] [prep] | 97 |
|
| 3 | [adv] difficult [to-vb] [adj] [noun] [prep] | 73 |
|
| 4 | [is] difficult [to-vb] [adj] [noun] [prep] | 68 |
|
| 5 | [adv] difficult [to-vb] [adj] [noun] [prep] | 66 |
|
| 6 | is difficult [to-vb] [adj] [noun] [prep] | 64 |
|
| 7 | [pron] difficult [to-vb] [adj] [noun] [prep] | 32 |
|
| 8 | it difficult [to-vb] [adj] [noun] [prep] | 32 |
|
| 9 | [pers pn] difficult [to-vb] [adj] [noun] [prep] | 32 |
|
| 10 | it difficult [to-vb] [adj] [noun] [prep] | 32 |
|
| 11 | very difficult [to-vb] [adj] [noun] [prep] | 28 |
|
| 12 | very difficult [to-vb] [adj] [noun] [prep] | 28 |
|
| 13 | [be] difficult [to-vb] [adj] [noun] [prep] | 13 |
|
| 14 | be difficult [to-vb] [adj] [noun] [prep] | 13 |
|
| 15 | [was/were] difficult [to-vb] [adj] [noun] [prep] | 11 |
|
| 16 | was difficult [to-vb] [adj] [noun] [prep] | 11 |
|
| 17 | more difficult [to-vb] [adj] [noun] [prep] | 9 |
|
| 18 | more difficult [to-vb] [adj] [noun] [prep] | 9 |
|
| 19 | not difficult [to-vb] [adj] [noun] [prep] | 7 |
|
| 20 | extremely difficult [to-vb] [adj] [noun] [prep] | 7 |
|
| 21 | extremely difficult [to-vb] [adj] [noun] [prep] | 7 |
|
| 22 | [not/n't] difficult [to-vb] [adj] [noun] [prep] | 7 |
|
| 23 | not difficult [to-vb] [adj] [noun] [prep] | 7 |
|
| 24 | been difficult [to-vb] [adj] [noun] [prep] | 5 |
|
| 25 | [been] difficult [to-vb] [adj] [noun] [prep] | 5 |
|
| 26 | difficult [adv] [to-vb] [adj] [noun] [prep] | 9 |
|
| 27 | difficult [adv] [to-vb] [adj] [noun] [prep] | 7 |
|
| 28 | difficult [to-vb] [art] [adj] [noun] [prep] | 204 |
|
| 29 | difficult [to-vb] [art] [adj] [noun] [prep] | 204 |
|
| 30 | difficult [to-vb] the [adj] [noun] [prep] | 103 |
|
