| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be difficult [to-vb] [adv] [adv] | 26 |
|
| 2 | [be] difficult [to-vb] [adv] [adv] | 26 |
|
| 3 | [is] difficult [to-vb] [adv] [adv] | 19 |
|
| 4 | [adv] difficult [to-vb] [adv] [adv] | 14 |
|
| 5 | [adv] difficult [to-vb] [adv] [adv] | 13 |
|
| 6 | is difficult [to-vb] [adv] [adv] | 12 |
|
| 7 | 's difficult [to-vb] [adv] [adv] | 7 |
|
| 8 | it difficult [to-vb] [adv] [adv] | 5 |
|
| 9 | it difficult [to-vb] [adv] [adv] | 5 |
|
| 10 | [be] difficult [to-vb] [adv] [adv] | 5 |
|
| 11 | [pron] difficult [to-vb] [adv] [adv] | 5 |
|
| 12 | be difficult [to-vb] [adv] [adv] | 5 |
|
| 13 | [pers pn] difficult [to-vb] [adv] [adv] | 5 |
|
| 14 | difficult [to-vb] and [adv] [adv] | 7 |
|
| 15 | difficult [to-vb] and [adv] [adv] | 7 |
|
| 16 | difficult [to-vb] [conj] [adv] [adv] | 7 |
|
| 17 | difficult [to-vb] [coord] [adv] [adv] | 7 |
|
| 18 | difficult [to-vb] [pron] [adv] [adv] | 6 |
|
| 19 | difficult [to-vb] [adv] [adv] [adv] | 5 |
|
| 20 | difficult [to-vb] [adv] [conj] [adv] | 5 |
|
| 21 | difficult [to-vb] [adv] [coord] [adv] | 5 |
|
| 22 | difficult [to-vb] [adv] [adv] [adj] | 16 |
|
| 23 | difficult [to-vb] [adv] [adv] [adj] | 9 |
|
| 24 | difficult [to-vb] [adv] [adv] [art] | 7 |
|
| 25 | difficult [to-vb] [adv] [adv] [det] | 7 |
|
| 26 | difficult [to-vb] [adv] [adv] [art] | 7 |
|
| 27 | difficult [to-vb] [adv] [adv] [to-vb] | 6 |
|
| 28 | difficult [to-vb] [adv] [adv] [prep] | 6 |
|
| 29 | difficult [to-vb] [adv] [adv] [prep] | 6 |
|
| 30 | difficult [to-vb] [adv] [adv] [verb] | 6 |
|
