| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adv] difficult [to-vb] [art] | 259 |
|
| 2 | be [adv] difficult [to-vb] [art] | 259 |
|
| 3 | [is] [adv] difficult [to-vb] [art] | 173 |
|
| 4 | is [adv] difficult [to-vb] [art] | 148 |
|
| 5 | [pron] [adv] difficult [to-vb] [art] | 78 |
|
| 6 | it [adv] difficult [to-vb] [art] | 76 |
|
| 7 | it [adv] difficult [to-vb] [art] | 76 |
|
| 8 | [pers pn] [adv] difficult [to-vb] [art] | 76 |
|
| 9 | [adv] [adv] difficult [to-vb] [art] | 59 |
|
| 10 | [be] [adv] difficult [to-vb] [art] | 53 |
|
| 11 | be [adv] difficult [to-vb] [art] | 53 |
|
| 12 | [adv] [adv] difficult [to-vb] [art] | 52 |
|
| 13 | [was/were] [adv] difficult [to-vb] [art] | 28 |
|
| 14 | was [adv] difficult [to-vb] [art] | 28 |
|
| 15 | 's [adv] difficult [to-vb] [art] | 25 |
|
| 16 | [verb] [adv] difficult [to-vb] [art] | 23 |
|
| 17 | much [adv] difficult [to-vb] [art] | 16 |
|
| 18 | much [adv] difficult [to-vb] [art] | 16 |
|
| 19 | become [adv] difficult [to-vb] [art] | 14 |
|
| 20 | even [adv] difficult [to-vb] [art] | 9 |
|
| 21 | even [adv] difficult [to-vb] [art] | 9 |
|
| 22 | [conj] [adv] difficult [to-vb] [art] | 8 |
|
| 23 | prove [adv] difficult [to-vb] [art] | 7 |
|
| 24 | [not/n't] [adv] difficult [to-vb] [art] | 7 |
|
| 25 | [coord] [adv] difficult [to-vb] [art] | 7 |
|
| 26 | not [adv] difficult [to-vb] [art] | 7 |
|
| 27 | not [adv] difficult [to-vb] [art] | 7 |
|
| 28 | [vb -s] [adv] difficult [to-vb] [art] | 6 |
|
| 29 | and [adv] difficult [to-vb] [art] | 6 |
|
| 30 | [art] [adv] difficult [to-vb] [art] | 6 |
|
