| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [not/n't] [adv] difficult [to-vb] | 52 |
|
| 2 | be [not/n't] [adv] difficult [to-vb] | 52 |
|
| 3 | [is] [not/n't] [adv] difficult [to-vb] | 36 |
|
| 4 | is [not/n't] [adv] difficult [to-vb] | 33 |
|
| 5 | [was/were] [not/n't] [adv] difficult [to-vb] | 8 |
|
| 6 | was [not/n't] [adv] difficult [to-vb] | 8 |
|
| 7 | [am/are] [not/n't] [adv] difficult [to-vb] | 7 |
|
| 8 | [adv] [not/n't] [adv] difficult [to-vb] | 6 |
|
| 9 | are [not/n't] [adv] difficult [to-vb] | 6 |
|
| 10 | [adv] [not/n't] [adv] difficult [to-vb] | 6 |
|
| 11 | [not/n't] be [adv] difficult [to-vb] | 31 |
|
| 12 | [not/n't] [be] [adv] difficult [to-vb] | 31 |
|
| 13 | [not/n't] [be] [adv] difficult [to-vb] | 28 |
|
| 14 | [not/n't] be [adv] difficult [to-vb] | 28 |
|
| 15 | [not/n't] [adv] difficult [to-vb] [conj] | 10 |
|
| 16 | [not/n't] [adv] difficult [to-vb] [prep] | 7 |
|
| 17 | [not/n't] [adv] difficult [to-vb] [art] | 7 |
|
| 18 | [not/n't] [adv] difficult [to-vb] [prep] | 7 |
|
| 19 | [not/n't] [adv] difficult [to-vb] [art] | 7 |
|
| 20 | [not/n't] [adv] difficult [to-vb] [adv] | 6 |
|
| 21 | [not/n't] [adv] difficult [to-vb] [noun] | 5 |
|
