| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] difficult [to-vb] [conj] [adv] | 25 |
|
| 2 | be difficult [to-vb] [conj] [adv] | 23 |
|
| 3 | [adv] difficult [to-vb] [conj] [adv] | 23 |
|
| 4 | [be] difficult [to-vb] [conj] [adv] | 23 |
|
| 5 | more difficult [to-vb] [conj] [adv] | 11 |
|
| 6 | more difficult [to-vb] [conj] [adv] | 11 |
|
| 7 | are difficult [to-vb] [conj] [adv] | 7 |
|
| 8 | [am/are] difficult [to-vb] [conj] [adv] | 7 |
|
| 9 | be difficult [to-vb] [conj] [adv] | 6 |
|
| 10 | [be] difficult [to-vb] [conj] [adv] | 6 |
|
| 11 | [is] difficult [to-vb] [conj] [adv] | 6 |
|
| 12 | is difficult [to-vb] [conj] [adv] | 5 |
|
| 13 | difficult [to-vb] [adv] [conj] [adv] | 12 |
|
| 14 | difficult [to-vb] [adv prt] [conj] [adv] | 7 |
|
| 15 | difficult [to-vb] [adv] [conj] [adv] | 5 |
|
| 16 | difficult [to-vb] [conj] be [adv] | 11 |
|
| 17 | difficult [to-vb] [conj] [be] [adv] | 11 |
|
| 18 | difficult [to-vb] [conj] [adv] [adv] | 7 |
|
| 19 | difficult [to-vb] [conj] [adv] [adv] | 7 |
|
| 20 | difficult [to-vb] [conj] [vb mod] [adv] | 7 |
|
| 21 | difficult [to-vb] [conj] [modal v] [adv] | 7 |
|
| 22 | difficult [to-vb] [conj] [verb] [adv] | 6 |
|
| 23 | difficult [to-vb] [conj] [is] [adv] | 5 |
|
| 24 | difficult [to-vb] [conj] [pron] [adv] | 5 |
|
| 25 | difficult [to-vb] [conj] [pers pn] [adv] | 5 |
|
| 26 | difficult [to-vb] [conj] will [adv] | 5 |
|
| 27 | difficult [to-vb] [conj] will [adv] | 5 |
|
| 28 | difficult [to-vb] [conj] is [adv] | 5 |
|
| 29 | difficult [to-vb] [conj] [adv] [adj] | 16 |
|
| 30 | difficult [to-vb] [conj] [adv] [adj] | 13 |
|
