| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] difficult [to-vb] [conj] [prep] | 25 |
|
| 2 | be difficult [to-vb] [conj] [prep] | 25 |
|
| 3 | [adv] difficult [to-vb] [conj] [prep] | 23 |
|
| 4 | [adv] difficult [to-vb] [conj] [prep] | 22 |
|
| 5 | [am/are] difficult [to-vb] [conj] [prep] | 11 |
|
| 6 | are difficult [to-vb] [conj] [prep] | 11 |
|
| 7 | more difficult [to-vb] [conj] [prep] | 8 |
|
| 8 | more difficult [to-vb] [conj] [prep] | 8 |
|
| 9 | [pron] difficult [to-vb] [conj] [prep] | 7 |
|
| 10 | it difficult [to-vb] [conj] [prep] | 7 |
|
| 11 | [pers pn] difficult [to-vb] [conj] [prep] | 7 |
|
| 12 | it difficult [to-vb] [conj] [prep] | 7 |
|
| 13 | [is] difficult [to-vb] [conj] [prep] | 6 |
|
| 14 | [was/were] difficult [to-vb] [conj] [prep] | 5 |
|
| 15 | was difficult [to-vb] [conj] [prep] | 5 |
|
| 16 | is difficult [to-vb] [conj] [prep] | 5 |
|
| 17 | difficult [to-vb] [adv] [conj] [prep] | 6 |
|
| 18 | difficult [to-vb] [adv] [conj] [prep] | 6 |
|
| 19 | difficult [to-vb] [conj] [verb] [prep] | 31 |
|
| 20 | difficult [to-vb] [conj] [vb infin] [prep] | 18 |
|
| 21 | difficult [to-vb] [conj] [adj] [prep] | 15 |
|
| 22 | difficult [to-vb] [conj] [noun] [prep] | 8 |
|
| 23 | difficult [to-vb] [conj] [det] [prep] | 7 |
|
| 24 | difficult [to-vb] [conj] [vb pp] [prep] | 5 |
|
| 25 | difficult [to-vb] [conj] [adj] [prep] | 5 |
|
| 26 | difficult [to-vb] [conj] [to-vb] [prep] | 5 |
|
| 27 | difficult [to-vb] [conj] [prep] [art] | 29 |
|
| 28 | difficult [to-vb] [conj] [prep] [art] | 29 |
|
| 29 | difficult [to-vb] [conj] [prep] the | 25 |
|
| 30 | difficult [to-vb] [conj] [prep] the | 25 |
|
